fix(web): improve built-in theme contrast#6000

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maria-rcks merged 1 commit into from
Aug 10, 2026
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fix(web): improve built-in theme contrast #6000

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4 changes: 2 additions & 2 deletions apps/web/index.html
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Original file line numberDiff line numberDiff line change
Expand Up@@ -37,7 +37,7 @@
light: {
background: "#fdf7fd",
foreground: "#501854",
accent: "#e33f86",
accent: "#db2777",
chrome: "#fdf7fd",
},
dark: {
Expand All@@ -54,7 +54,7 @@
light: {
background: "#fdf7fd",
foreground: "#501854",
accent: "#e33f86",
accent: "#db2777",
chrome: "#fdf7fd",
},
dark: {
Expand Down
2 changes: 1 addition & 1 deletion apps/web/src/components/chat/ModelPickerSidebar.tsx
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Original file line numberDiff line numberDiff line change
Expand Up@@ -29,7 +29,7 @@ const SELECTED_INDICATOR_CLASS =
"pointer-events-none absolute -right-1 top-1/2 z-10 h-5 w-0.75 -translate-y-1/2 rounded-l-full bg-primary";
const BADGE_BASE_CLASS =
"pointer-events-none absolute -right-0.5 top-0.5 z-10 flex size-3.5 items-center justify-center rounded-full bg-transparent shadow-sm ";
const NEW_BADGE_CLASS = `${BADGE_BASE_CLASS} text-update `;
const NEW_BADGE_CLASS = `${BADGE_BASE_CLASS} text-update-foreground `;

/** Opens toward the rail so the list stays readable (not over the model names). */
const PICKER_TOOLTIP_SIDE = "left" as const;
Expand Down
2 changes: 1 addition & 1 deletion apps/web/src/components/settings/ProviderInstanceCard.tsx
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Original file line numberDiff line numberDiff line change
Expand Up@@ -619,7 +619,7 @@ export function ProviderInstanceCard({
"size-5 rounded-sm p-0",
versionAdvisory.emphasis === "strong"
? "text-warning hover:text-warning"
: "text-update hover:text-update",
: "text-update-foreground hover:text-update-foreground",
)}
aria-label="Update available — view details"
>
Expand Down
3 changes: 3 additions & 0 deletions apps/web/src/components/settings/themeInspector.test.ts
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Original file line numberDiff line numberDiff line change
Expand Up@@ -31,6 +31,9 @@ describe("changedThemePaintKinds", () => {
describe("themeRoleFromUtilityClass", () => {
it("maps semantic utilities to their actual palette role", () => {
expect(themeRoleFromUtilityClass("text-foreground", "foreground")).toBe("text");
expect(themeRoleFromUtilityClass("text-muted-foreground", "foreground")).toBe(
"mutedForeground",
);
expect(themeRoleFromUtilityClass("bg-primary/90", "background")).toBe("messageAction");
expect(themeRoleFromUtilityClass("ring-ring", "border")).toBe("focus");
});
Expand Down
2 changes: 1 addition & 1 deletion apps/web/src/components/settings/themeInspector.ts
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Original file line numberDiff line numberDiff line change
Expand Up@@ -38,7 +38,7 @@ const THEME_UTILITY_ROLES: Readonly<Partial<Record<string, ThemeColorRole>>> = {
secondary: "secondary",
"secondary-foreground": "secondaryForeground",
muted: "muted",
"muted-foreground": "textMuted",
"muted-foreground": "mutedForeground",
placeholder: "placeholder",
"secondary-label": "secondaryLabel",
"icon-muted": "iconMuted",
Expand Down
10 changes: 5 additions & 5 deletions apps/web/src/index.css
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Original file line numberDiff line numberDiff line change
Expand Up@@ -899,7 +899,7 @@ html[data-mobile-composer-route-transition="true"]::view-transition-old(t3-mobil
--destructive: var(--error);
--border: var(--color-zinc-200);
--input: var(--color-zinc-300);
--ring: oklch(0.488 0.217 264);
--ring: var(--primary);
--destructive-foreground: var(--error-foreground);
--info: var(--color-blue-500);
--info-foreground: var(--color-blue-700);
Expand DownExpand Up@@ -943,7 +943,7 @@ html[data-mobile-composer-route-transition="true"]::view-transition-old(t3-mobil
--card-foreground: var(--color-neutral-100);
--popover: color-mix(in srgb, var(--background) 94%, var(--color-white));
--popover-foreground: var(--color-neutral-100);
--primary: oklch(0.588 0.217 264);
--primary: oklch(0.571 0.21 264);
--primary-foreground: var(--color-white);
--secondary: --alpha(var(--color-white) / 4%);
--secondary-foreground: var(--color-neutral-100);
Expand All@@ -965,7 +965,7 @@ html[data-mobile-composer-route-transition="true"]::view-transition-old(t3-mobil
--destructive: var(--error);
--border: --alpha(var(--color-white) / 6%);
--input: --alpha(var(--color-white) / 8%);
--ring: oklch(0.588 0.217 264);
--ring: var(--primary);
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--destructive-foreground: var(--error-foreground);
--info: var(--color-blue-500);
--info-foreground: var(--color-blue-400);
Expand DownExpand Up@@ -1076,7 +1076,7 @@ html.dark[data-theme-id] {
--secondary: var(--app-theme-secondary);
--secondary-foreground: var(--app-theme-secondary-foreground);
--muted: var(--app-theme-muted);
--muted-foreground: var(--app-theme-text-muted);
--muted-foreground: var(--app-theme-muted-foreground);
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--placeholder: var(--app-theme-placeholder);
--secondary-label: var(--app-theme-secondary-label);
--icon-muted: var(--app-theme-icon-muted);
Expand DownExpand Up@@ -1326,7 +1326,7 @@ html[data-theme-id] [data-app-sidebar] {
--accent: var(--app-theme-accent-surface);
--accent-foreground: var(--app-theme-accent-surface-foreground);
--muted: var(--app-theme-muted);
--muted-foreground: var(--app-theme-text-muted);
--muted-foreground: var(--app-theme-muted-foreground);
--border: var(--app-theme-border);
--input: var(--app-theme-input);
--sidebar: var(--app-theme-sidebar);
Expand Down
21 changes: 13 additions & 8 deletions apps/web/src/themePalette.test.ts
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Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -113,6 +113,8 @@ describe("theme files", () => {
expect(contrastRatio(colors.text, colors.canvas)).toBeGreaterThanOrEqual(7);
expect(contrastRatio(colors.textMuted, colors.canvas)).toBeGreaterThanOrEqual(4.5);
expect(contrastRatio(colors.textMuted, colors.canvas)).toBeLessThan(5.5);
expect(contrastRatio(colors.mutedForeground, colors.muted)).toBeGreaterThanOrEqual(4.5);
expect(contrastRatio(colors.placeholder, colors.surfaceRaised)).toBeGreaterThanOrEqual(4.5);
expect(colors.secondaryLabel).toBe(colors.textMuted);
expect(contrastRatio(colors.accentForeground, colors.accent)).toBeGreaterThanOrEqual(4.5);
expect(
Expand DownExpand Up@@ -169,7 +171,7 @@ describe("theme files", () => {
colors: {
canvas: "#07152f",
accent: "#67c2ff",
placeholder: "#8f8699",
placeholder: "#968d9f",
},
});
});
Expand DownExpand Up@@ -315,9 +317,7 @@ describe("theme files", () => {
4.5,
);
expect(contrastRatio(colors.sidebarForeground, colors.sidebar)).toBeGreaterThanOrEqual(4.5);
// The live light primary is intended for filled controls and clears the
// non-text UI-component threshold rather than normal-text AA.
expect(contrastRatio(colors.accentForeground, colors.accent)).toBeGreaterThanOrEqual(3);
expect(contrastRatio(colors.accentForeground, colors.accent)).toBeGreaterThanOrEqual(4.5);
}
});

Expand All@@ -340,9 +340,7 @@ describe("theme files", () => {
1,
);
}
expect(contrastRatio(colors!.accentForeground, colors!.accent)).toBeGreaterThanOrEqual(
theme === T3_CHAT_THEME ? 3 : 4.5,
);
expect(contrastRatio(colors!.accentForeground, colors!.accent)).toBeGreaterThanOrEqual(4.5);
expect(
contrastRatio(colors!.toolbarControlForeground, colors!.toolbarControl),
).toBeGreaterThanOrEqual(4.5);
Expand All@@ -351,7 +349,14 @@ describe("theme files", () => {
).toBeGreaterThanOrEqual(4.5);
expect(
contrastRatio(colors!.messageActionForeground, colors!.messageAction),
).toBeGreaterThanOrEqual(theme === T3_CHAT_THEME ? 3 : 4.5);
).toBeGreaterThanOrEqual(4.5);
expect(
contrastRatio(colors!.messageActionForeground, colors!.messageActionHover),
).toBeGreaterThanOrEqual(4.5);
expect(contrastRatio(colors!.mutedForeground, colors!.muted)).toBeGreaterThanOrEqual(4.5);
expect(contrastRatio(colors!.placeholder, colors!.surfaceRaised)).toBeGreaterThanOrEqual(
4.5,
);
}
}
});
Expand Down
43 changes: 25 additions & 18 deletions apps/web/src/themePalette.ts
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Original file line numberDiff line numberDiff line change
Expand Up@@ -325,6 +325,7 @@ function legacyThemeMode(theme: ThemePreference): ThemeAppearance | null {
// Measured from the live t3.chat default theme. Translucent chat surfaces are
// flattened over --chat-background so this opaque palette reproduces the
// pixels users see after T3 Chat's blur and noise layers are composited.
// Foreground pairs deviate where necessary to keep normal text at WCAG AA.
const T3_CHAT_LIGHT_COLORS: ThemeColors = {
canvas: "#fdf7fd",
// T3 Code's workspace header belongs to the chat panel, so keep it seamless
Expand All@@ -346,31 +347,31 @@ const T3_CHAT_LIGHT_COLORS: ThemeColors = {
border: "#eee1ed",
input: "#e7c1dc",
focus: "#db2777",
accent: "#e33f86",
accent: "#db2777",
accentForeground: "#ffffff",
secondary: "#f1c4e6",
secondaryForeground: "#77347c",
muted: "#eaa7cb",
mutedForeground: "#ac1668",
placeholder: "#ad83b0",
mutedForeground: "#8d1255",
placeholder: "#8b5f90",
secondaryLabel: "#ac1668",
iconMuted: "#ac1668",
error: "#f7086c",
errorForeground: "#9d174d",
errorSurface: "#fde4f1",
warning: "#f59e0b",
warningForeground: "#b45309",
warningForeground: "#b05109",
warningSurface: "#fcf0ea",
update: "#e33f86",
update: "#db2777",
updateForeground: "#ac1668",
updateSurface: "#fadfef",
accentSurface: "#f3e6f5",
accentSurfaceForeground: "#454554",
messageSurface: "#f7def2",
messageForeground: "#492c61",
messageAction: "#e33f86",
messageAction: "#db2777",
messageActionForeground: "#ffffff",
messageActionHover: "#d56698",
messageActionHover: "#c12269",
// T3 Chat uses a light lavender code surface in light mode. Keeping the
// dark plum pair here also leaked the dark palette into T3 Code's diffs.
codeBackground: "#f5ecf9",
Expand DownExpand Up@@ -422,7 +423,7 @@ const T3_CHAT_DARK_COLORS: ThemeColors = {
secondaryForeground: "#d4c7e1",
muted: "#423a45",
mutedForeground: "#e7d0dd",
placeholder: "#8f8699",
placeholder: "#968d9f",
secondaryLabel: "#e7d0dd",
iconMuted: "#d4c7e1",
error: "#9d174d",
Expand DownExpand Up@@ -549,8 +550,8 @@ const T3_CODE_DARK_THEME_COLORS: ThemeColors = {
textMuted: "#818181",
border: "#191919",
input: "#1e1e1e",
focus: "#366ffb",
accent: "#366ffb",
focus: "#346bf1",
accent: "#346bf1",
accentForeground: "#ffffff",
secondary: "#141414",
secondaryForeground: "#f5f5f5",
Expand All@@ -565,16 +566,16 @@ const T3_CODE_DARK_THEME_COLORS: ThemeColors = {
warning: "#fe9a00",
warningForeground: "#ffb900",
warningSurface: "#312108",
update: "#366ffb",
update: "#346bf1",
updateForeground: "#51a2ff",
updateSurface: "#121c35",
updateSurface: "#121b34",
accentSurface: "#141414",
accentSurfaceForeground: "#f5f5f5",
messageSurface: "#141414",
messageForeground: "#f5f5f5",
messageAction: "#366ffb",
messageAction: "#346bf1",
messageActionForeground: "#ffffff",
messageActionHover: "#3265e3",
messageActionHover: "#3061d9",
codeBackground: "#111111",
codeForeground: "#f5f5f5",
sidebar: "#000000",
Expand DownExpand Up@@ -941,12 +942,14 @@ export function createVividThemeColors(
const sidebarRgb = themeOklchToRgb(sidebar);
const surface = surfaceAt(0.015);
const surfaceRaised = surfaceAt(0.05);
const surfaceRaisedRgb = themeOklchToRgb(surfaceRaised);
const surfaceOverlay = surfaceAt(0.075);
const border = surfaceAt(dark ? 0.16 : 0.12, Math.min(0.07, accent.C * 0.35));
const input = surfaceAt(dark ? 0.21 : 0.16, Math.min(0.08, accent.C * 0.4));
const secondary = surfaceAt(dark ? 0.1 : 0.06, Math.min(0.09, accent.C * 0.5));
const secondaryRgb = themeOklchToRgb(secondary);
const muted = surfaceAt(dark ? 0.06 : 0.04, Math.min(0.06, accent.C * 0.35));
const mutedRgb = themeOklchToRgb(muted);
const accentSurface = surfaceAt(dark ? 0.13 : 0.08, Math.min(0.11, accent.C * 0.55));
const accentSurfaceRgb = themeOklchToRgb(accentSurface);
const messageSurface = surfaceAt(dark ? 0.16 : 0.1, Math.min(0.13, accent.C * 0.6));
Expand All@@ -958,6 +961,8 @@ export function createVividThemeColors(
themeRgbToHexColor(
themeOklchToRgb(solveOklchLightness(textBase, surfaceRgb, 4.6, dark ? "lighter" : "darker")),
);
const mutedForeground = foregroundOn(mutedRgb);
const placeholder = foregroundOn(surfaceRaisedRgb);

const actionHover: ThemeOklch = { ...action, L: action.L + (dark ? 0.06 : -0.06) };

Expand DownExpand Up@@ -986,8 +991,8 @@ export function createVividThemeColors(
secondary: hex(secondary),
secondaryForeground: foregroundOn(secondaryRgb),
muted: hex(muted),
mutedForeground: themeRgbToHexColor(textMutedRgb),
placeholder: themeRgbToHexColor(textMutedRgb),
mutedForeground,
placeholder,
secondaryLabel: themeRgbToHexColor(textMutedRgb),
iconMuted: themeRgbToHexColor(textMutedRgb),
update: themeRgbToHexColor(accentRgb),
Expand DownExpand Up@@ -1174,6 +1179,8 @@ export function createManagedThemeColors(
const surfaceOverlay = mixThemeRgbColors(canvas, text, appearance === "dark" ? 0.18 : 0.06);
const secondary = mixThemeRgbColors(canvas, accent, appearance === "dark" ? 0.2 : 0.08);
const muted = mixThemeRgbColors(canvas, accent, appearance === "dark" ? 0.13 : 0.06);
const mutedForeground = readableThemeText(muted, text, 1, 4.6);
const placeholder = readableThemeText(surfaceRaised, text, 1, 4.6);
const accentSurface = mixThemeRgbColors(canvas, accent, appearance === "dark" ? 0.3 : 0.14);
const messageSurface = mixThemeRgbColors(canvas, accent, appearance === "dark" ? 0.36 : 0.18);
const toolbarControl = mixThemeRgbColors(chrome, accent, appearance === "dark" ? 0.2 : 0.08);
Expand DownExpand Up@@ -1244,8 +1251,8 @@ export function createManagedThemeColors(
secondary: themeRgbToHexColor(secondary),
secondaryForeground: themeRgbToHexColor(readableThemeForeground(secondary)),
muted: themeRgbToHexColor(muted),
mutedForeground: themeRgbToHexColor(textMuted),
placeholder: themeRgbToHexColor(textMuted),
mutedForeground: themeRgbToHexColor(mutedForeground),
placeholder: themeRgbToHexColor(placeholder),
secondaryLabel: themeRgbToHexColor(textMuted),
iconMuted: themeRgbToHexColor(textMuted),
accentSurface: themeRgbToHexColor(accentSurface),
Expand Down
Loading
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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 Merged

maria-rcks
merged 1 commit into

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Aug 10, 2026
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fix(web): improve built-in theme contrast
#6000
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4 changes: 2 additions & 2 deletions
apps/web/index.html

View file


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Original file line numberDiff line numberDiff line change
Expand Up@@ -37,7 +37,7 @@
 light: {
 background: "#fdf7fd",
 foreground: "#501854",
 accent: "#e33f86",
 accent: "#db2777",
 chrome: "#fdf7fd",
 },
 dark: {
Expand All@@ -54,7 +54,7 @@
 light: {
 background: "#fdf7fd",
 foreground: "#501854",
 accent: "#e33f86",
 accent: "#db2777",
 chrome: "#fdf7fd",
 },
 dark: {
Expand Down

2 changes: 1 addition & 1 deletion
apps/web/src/components/chat/ModelPickerSidebar.tsx

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -29,7 +29,7 @@ const SELECTED_INDICATOR_CLASS =
 "pointer-events-none absolute -right-1 top-1/2 z-10 h-5 w-0.75 -translate-y-1/2 rounded-l-full bg-primary";
const BADGE_BASE_CLASS =
 "pointer-events-none absolute -right-0.5 top-0.5 z-10 flex size-3.5 items-center justify-center rounded-full bg-transparent shadow-sm ";
const NEW_BADGE_CLASS = `${BADGE_BASE_CLASS} text-update `;
const NEW_BADGE_CLASS = `${BADGE_BASE_CLASS} text-update-foreground `;

/** Opens toward the rail so the list stays readable (not over the model names). */
const PICKER_TOOLTIP_SIDE = "left" as const;
Expand Down

2 changes: 1 addition & 1 deletion
apps/web/src/components/settings/ProviderInstanceCard.tsx

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -619,7 +619,7 @@ export function ProviderInstanceCard({
 "size-5 rounded-sm p-0",
 versionAdvisory.emphasis === "strong"
 ? "text-warning hover:text-warning"
 : "text-update hover:text-update",
 : "text-update-foreground hover:text-update-foreground",
 )}
 aria-label="Update available — view details"
 >
Expand Down

3 changes: 3 additions & 0 deletions
apps/web/src/components/settings/themeInspector.test.ts

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -31,6 +31,9 @@ describe("changedThemePaintKinds", () => {
describe("themeRoleFromUtilityClass", () => {
 it("maps semantic utilities to their actual palette role", () => {
 expect(themeRoleFromUtilityClass("text-foreground", "foreground")).toBe("text");
 expect(themeRoleFromUtilityClass("text-muted-foreground", "foreground")).toBe(
 "mutedForeground",
 );
 expect(themeRoleFromUtilityClass("bg-primary/90", "background")).toBe("messageAction");
 expect(themeRoleFromUtilityClass("ring-ring", "border")).toBe("focus");
 });
Expand Down

2 changes: 1 addition & 1 deletion
apps/web/src/components/settings/themeInspector.ts

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -38,7 +38,7 @@ const THEME_UTILITY_ROLES: Readonly<Partial<Record<string, ThemeColorRole>>> = {
 secondary: "secondary",
 "secondary-foreground": "secondaryForeground",
 muted: "muted",
 "muted-foreground": "textMuted",
 "muted-foreground": "mutedForeground",
 placeholder: "placeholder",
 "secondary-label": "secondaryLabel",
 "icon-muted": "iconMuted",
Expand Down

10 changes: 5 additions & 5 deletions
apps/web/src/index.css

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -899,7 +899,7 @@ html[data-mobile-composer-route-transition="true"]::view-transition-old(t3-mobil
 --destructive: var(--error);
 --border: var(--color-zinc-200);
 --input: var(--color-zinc-300);
 --ring: oklch(0.488 0.217 264);
 --ring: var(--primary);
 --destructive-foreground: var(--error-foreground);
 --info: var(--color-blue-500);
 --info-foreground: var(--color-blue-700);
Expand DownExpand Up@@ -943,7 +943,7 @@ html[data-mobile-composer-route-transition="true"]::view-transition-old(t3-mobil
 --card-foreground: var(--color-neutral-100);
 --popover: color-mix(in srgb, var(--background) 94%, var(--color-white));
 --popover-foreground: var(--color-neutral-100);
 --primary: oklch(0.588 0.217 264);
 --primary: oklch(0.571 0.21 264);
 --primary-foreground: var(--color-white);
 --secondary: --alpha(var(--color-white) / 4%);
 --secondary-foreground: var(--color-neutral-100);
Expand All@@ -965,7 +965,7 @@ html[data-mobile-composer-route-transition="true"]::view-transition-old(t3-mobil
 --destructive: var(--error);
 --border: --alpha(var(--color-white) / 6%);
 --input: --alpha(var(--color-white) / 8%);
 --ring: oklch(0.588 0.217 264);
 --ring: var(--primary);
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 --destructive-foreground: var(--error-foreground);
 --info: var(--color-blue-500);
 --info-foreground: var(--color-blue-400);
Expand DownExpand Up@@ -1076,7 +1076,7 @@ html.dark[data-theme-id] {
 --secondary: var(--app-theme-secondary);
 --secondary-foreground: var(--app-theme-secondary-foreground);
 --muted: var(--app-theme-muted);
 --muted-foreground: var(--app-theme-text-muted);
 --muted-foreground: var(--app-theme-muted-foreground);
Comment thread
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 --placeholder: var(--app-theme-placeholder);
 --secondary-label: var(--app-theme-secondary-label);
 --icon-muted: var(--app-theme-icon-muted);
Expand DownExpand Up@@ -1326,7 +1326,7 @@ html[data-theme-id] [data-app-sidebar] {
 --accent: var(--app-theme-accent-surface);
 --accent-foreground: var(--app-theme-accent-surface-foreground);
 --muted: var(--app-theme-muted);
 --muted-foreground: var(--app-theme-text-muted);
 --muted-foreground: var(--app-theme-muted-foreground);
 --border: var(--app-theme-border);
 --input: var(--app-theme-input);
 --sidebar: var(--app-theme-sidebar);
Expand Down

21 changes: 13 additions & 8 deletions
apps/web/src/themePalette.test.ts

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -113,6 +113,8 @@ describe("theme files", () => {
 expect(contrastRatio(colors.text, colors.canvas)).toBeGreaterThanOrEqual(7);
 expect(contrastRatio(colors.textMuted, colors.canvas)).toBeGreaterThanOrEqual(4.5);
 expect(contrastRatio(colors.textMuted, colors.canvas)).toBeLessThan(5.5);
 expect(contrastRatio(colors.mutedForeground, colors.muted)).toBeGreaterThanOrEqual(4.5);
 expect(contrastRatio(colors.placeholder, colors.surfaceRaised)).toBeGreaterThanOrEqual(4.5);
 expect(colors.secondaryLabel).toBe(colors.textMuted);
 expect(contrastRatio(colors.accentForeground, colors.accent)).toBeGreaterThanOrEqual(4.5);
 expect(
Expand DownExpand Up@@ -169,7 +171,7 @@ describe("theme files", () => {
 colors: {
 canvas: "#07152f",
 accent: "#67c2ff",
 placeholder: "#8f8699",
 placeholder: "#968d9f",
 },
 });
 });
Expand DownExpand Up@@ -315,9 +317,7 @@ describe("theme files", () => {
 4.5,
 );
 expect(contrastRatio(colors.sidebarForeground, colors.sidebar)).toBeGreaterThanOrEqual(4.5);
 // The live light primary is intended for filled controls and clears the
 // non-text UI-component threshold rather than normal-text AA.
 expect(contrastRatio(colors.accentForeground, colors.accent)).toBeGreaterThanOrEqual(3);
 expect(contrastRatio(colors.accentForeground, colors.accent)).toBeGreaterThanOrEqual(4.5);
 }
 });

Expand All@@ -340,9 +340,7 @@ describe("theme files", () => {
 1,
 );
 }
 expect(contrastRatio(colors!.accentForeground, colors!.accent)).toBeGreaterThanOrEqual(
 theme === T3_CHAT_THEME ? 3 : 4.5,
 );
 expect(contrastRatio(colors!.accentForeground, colors!.accent)).toBeGreaterThanOrEqual(4.5);
 expect(
 contrastRatio(colors!.toolbarControlForeground, colors!.toolbarControl),
 ).toBeGreaterThanOrEqual(4.5);
Expand All@@ -351,7 +349,14 @@ describe("theme files", () => {
 ).toBeGreaterThanOrEqual(4.5);
 expect(
 contrastRatio(colors!.messageActionForeground, colors!.messageAction),
 ).toBeGreaterThanOrEqual(theme === T3_CHAT_THEME ? 3 : 4.5);
 ).toBeGreaterThanOrEqual(4.5);
 expect(
 contrastRatio(colors!.messageActionForeground, colors!.messageActionHover),
 ).toBeGreaterThanOrEqual(4.5);
 expect(contrastRatio(colors!.mutedForeground, colors!.muted)).toBeGreaterThanOrEqual(4.5);
 expect(contrastRatio(colors!.placeholder, colors!.surfaceRaised)).toBeGreaterThanOrEqual(
 4.5,
 );
 }
 }
 });
Expand Down

43 changes: 25 additions & 18 deletions
apps/web/src/themePalette.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -325,6 +325,7 @@ function legacyThemeMode(theme: ThemePreference): ThemeAppearance | null {
// Measured from the live t3.chat default theme. Translucent chat surfaces are
// flattened over --chat-background so this opaque palette reproduces the
// pixels users see after T3 Chat's blur and noise layers are composited.
// Foreground pairs deviate where necessary to keep normal text at WCAG AA.
const T3_CHAT_LIGHT_COLORS: ThemeColors = {
 canvas: "#fdf7fd",
 // T3 Code's workspace header belongs to the chat panel, so keep it seamless
Expand All@@ -346,31 +347,31 @@ const T3_CHAT_LIGHT_COLORS: ThemeColors = {
 border: "#eee1ed",
 input: "#e7c1dc",
 focus: "#db2777",
 accent: "#e33f86",
 accent: "#db2777",
 accentForeground: "#ffffff",
 secondary: "#f1c4e6",
 secondaryForeground: "#77347c",
 muted: "#eaa7cb",
 mutedForeground: "#ac1668",
 placeholder: "#ad83b0",
 mutedForeground: "#8d1255",
 placeholder: "#8b5f90",
 secondaryLabel: "#ac1668",
 iconMuted: "#ac1668",
 error: "#f7086c",
 errorForeground: "#9d174d",
 errorSurface: "#fde4f1",
 warning: "#f59e0b",
 warningForeground: "#b45309",
 warningForeground: "#b05109",
 warningSurface: "#fcf0ea",
 update: "#e33f86",
 update: "#db2777",
 updateForeground: "#ac1668",
 updateSurface: "#fadfef",
 accentSurface: "#f3e6f5",
 accentSurfaceForeground: "#454554",
 messageSurface: "#f7def2",
 messageForeground: "#492c61",
 messageAction: "#e33f86",
 messageAction: "#db2777",
 messageActionForeground: "#ffffff",
 messageActionHover: "#d56698",
 messageActionHover: "#c12269",
 // T3 Chat uses a light lavender code surface in light mode. Keeping the
 // dark plum pair here also leaked the dark palette into T3 Code's diffs.
 codeBackground: "#f5ecf9",
Expand DownExpand Up@@ -422,7 +423,7 @@ const T3_CHAT_DARK_COLORS: ThemeColors = {
 secondaryForeground: "#d4c7e1",
 muted: "#423a45",
 mutedForeground: "#e7d0dd",
 placeholder: "#8f8699",
 placeholder: "#968d9f",
 secondaryLabel: "#e7d0dd",
 iconMuted: "#d4c7e1",
 error: "#9d174d",
Expand DownExpand Up@@ -549,8 +550,8 @@ const T3_CODE_DARK_THEME_COLORS: ThemeColors = {
 textMuted: "#818181",
 border: "#191919",
 input: "#1e1e1e",
 focus: "#366ffb",
 accent: "#366ffb",
 focus: "#346bf1",
 accent: "#346bf1",
 accentForeground: "#ffffff",
 secondary: "#141414",
 secondaryForeground: "#f5f5f5",
Expand All@@ -565,16 +566,16 @@ const T3_CODE_DARK_THEME_COLORS: ThemeColors = {
 warning: "#fe9a00",
 warningForeground: "#ffb900",
 warningSurface: "#312108",
 update: "#366ffb",
 update: "#346bf1",
 updateForeground: "#51a2ff",
 updateSurface: "#121c35",
 updateSurface: "#121b34",
 accentSurface: "#141414",
 accentSurfaceForeground: "#f5f5f5",
 messageSurface: "#141414",
 messageForeground: "#f5f5f5",
 messageAction: "#366ffb",
 messageAction: "#346bf1",
 messageActionForeground: "#ffffff",
 messageActionHover: "#3265e3",
 messageActionHover: "#3061d9",
 codeBackground: "#111111",
 codeForeground: "#f5f5f5",
 sidebar: "#000000",
Expand DownExpand Up@@ -941,12 +942,14 @@ export function createVividThemeColors(
 const sidebarRgb = themeOklchToRgb(sidebar);
 const surface = surfaceAt(0.015);
 const surfaceRaised = surfaceAt(0.05);
 const surfaceRaisedRgb = themeOklchToRgb(surfaceRaised);
 const surfaceOverlay = surfaceAt(0.075);
 const border = surfaceAt(dark ? 0.16 : 0.12, Math.min(0.07, accent.C * 0.35));
 const input = surfaceAt(dark ? 0.21 : 0.16, Math.min(0.08, accent.C * 0.4));
 const secondary = surfaceAt(dark ? 0.1 : 0.06, Math.min(0.09, accent.C * 0.5));
 const secondaryRgb = themeOklchToRgb(secondary);
 const muted = surfaceAt(dark ? 0.06 : 0.04, Math.min(0.06, accent.C * 0.35));
 const mutedRgb = themeOklchToRgb(muted);
 const accentSurface = surfaceAt(dark ? 0.13 : 0.08, Math.min(0.11, accent.C * 0.55));
 const accentSurfaceRgb = themeOklchToRgb(accentSurface);
 const messageSurface = surfaceAt(dark ? 0.16 : 0.1, Math.min(0.13, accent.C * 0.6));
Expand All@@ -958,6 +961,8 @@ export function createVividThemeColors(
 themeRgbToHexColor(
 themeOklchToRgb(solveOklchLightness(textBase, surfaceRgb, 4.6, dark ? "lighter" : "darker")),
 );
 const mutedForeground = foregroundOn(mutedRgb);
 const placeholder = foregroundOn(surfaceRaisedRgb);

 const actionHover: ThemeOklch = { ...action, L: action.L + (dark ? 0.06 : -0.06) };

Expand DownExpand Up@@ -986,8 +991,8 @@ export function createVividThemeColors(
 secondary: hex(secondary),
 secondaryForeground: foregroundOn(secondaryRgb),
 muted: hex(muted),
 mutedForeground: themeRgbToHexColor(textMutedRgb),
 placeholder: themeRgbToHexColor(textMutedRgb),
 mutedForeground,
 placeholder,
 secondaryLabel: themeRgbToHexColor(textMutedRgb),
 iconMuted: themeRgbToHexColor(textMutedRgb),
 update: themeRgbToHexColor(accentRgb),
Expand DownExpand Up@@ -1174,6 +1179,8 @@ export function createManagedThemeColors(
 const surfaceOverlay = mixThemeRgbColors(canvas, text, appearance === "dark" ? 0.18 : 0.06);
 const secondary = mixThemeRgbColors(canvas, accent, appearance === "dark" ? 0.2 : 0.08);
 const muted = mixThemeRgbColors(canvas, accent, appearance === "dark" ? 0.13 : 0.06);
 const mutedForeground = readableThemeText(muted, text, 1, 4.6);
 const placeholder = readableThemeText(surfaceRaised, text, 1, 4.6);
 const accentSurface = mixThemeRgbColors(canvas, accent, appearance === "dark" ? 0.3 : 0.14);
 const messageSurface = mixThemeRgbColors(canvas, accent, appearance === "dark" ? 0.36 : 0.18);
 const toolbarControl = mixThemeRgbColors(chrome, accent, appearance === "dark" ? 0.2 : 0.08);
Expand DownExpand Up@@ -1244,8 +1251,8 @@ export function createManagedThemeColors(
 secondary: themeRgbToHexColor(secondary),
 secondaryForeground: themeRgbToHexColor(readableThemeForeground(secondary)),
 muted: themeRgbToHexColor(muted),
 mutedForeground: themeRgbToHexColor(textMuted),
 placeholder: themeRgbToHexColor(textMuted),
 mutedForeground: themeRgbToHexColor(mutedForeground),
 placeholder: themeRgbToHexColor(placeholder),
 secondaryLabel: themeRgbToHexColor(textMuted),
 iconMuted: themeRgbToHexColor(textMuted),
 accentSurface: themeRgbToHexColor(accentSurface),
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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fix(web): improve built-in theme contrast#6000

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 Merged

maria-rcks
merged 1 commit into

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Aug 10, 2026
 Merged


fix(web): improve built-in theme contrast
#6000
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4 changes: 2 additions & 2 deletions
apps/web/index.html

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -37,7 +37,7 @@
 light: {
 background: "#fdf7fd",
 foreground: "#501854",
 accent: "#e33f86",
 accent: "#db2777",
 chrome: "#fdf7fd",
 },
 dark: {
Expand All@@ -54,7 +54,7 @@
 light: {
 background: "#fdf7fd",
 foreground: "#501854",
 accent: "#e33f86",
 accent: "#db2777",
 chrome: "#fdf7fd",
 },
 dark: {
Expand Down

2 changes: 1 addition & 1 deletion
apps/web/src/components/chat/ModelPickerSidebar.tsx

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Original file line numberDiff line numberDiff line change
Expand Up@@ -29,7 +29,7 @@ const SELECTED_INDICATOR_CLASS =
 "pointer-events-none absolute -right-1 top-1/2 z-10 h-5 w-0.75 -translate-y-1/2 rounded-l-full bg-primary";
const BADGE_BASE_CLASS =
 "pointer-events-none absolute -right-0.5 top-0.5 z-10 flex size-3.5 items-center justify-center rounded-full bg-transparent shadow-sm ";
const NEW_BADGE_CLASS = `${BADGE_BASE_CLASS} text-update `;
const NEW_BADGE_CLASS = `${BADGE_BASE_CLASS} text-update-foreground `;

/** Opens toward the rail so the list stays readable (not over the model names). */
const PICKER_TOOLTIP_SIDE = "left" as const;
Expand Down

2 changes: 1 addition & 1 deletion
apps/web/src/components/settings/ProviderInstanceCard.tsx

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -619,7 +619,7 @@ export function ProviderInstanceCard({
 "size-5 rounded-sm p-0",
 versionAdvisory.emphasis === "strong"
 ? "text-warning hover:text-warning"
 : "text-update hover:text-update",
 : "text-update-foreground hover:text-update-foreground",
 )}
 aria-label="Update available — view details"
 >
Expand Down

3 changes: 3 additions & 0 deletions
apps/web/src/components/settings/themeInspector.test.ts

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -31,6 +31,9 @@ describe("changedThemePaintKinds", () => {
describe("themeRoleFromUtilityClass", () => {
 it("maps semantic utilities to their actual palette role", () => {
 expect(themeRoleFromUtilityClass("text-foreground", "foreground")).toBe("text");
 expect(themeRoleFromUtilityClass("text-muted-foreground", "foreground")).toBe(
 "mutedForeground",
 );
 expect(themeRoleFromUtilityClass("bg-primary/90", "background")).toBe("messageAction");
 expect(themeRoleFromUtilityClass("ring-ring", "border")).toBe("focus");
 });
Expand Down

2 changes: 1 addition & 1 deletion
apps/web/src/components/settings/themeInspector.ts

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -38,7 +38,7 @@ const THEME_UTILITY_ROLES: Readonly<Partial<Record<string, ThemeColorRole>>> = {
 secondary: "secondary",
 "secondary-foreground": "secondaryForeground",
 muted: "muted",
 "muted-foreground": "textMuted",
 "muted-foreground": "mutedForeground",
 placeholder: "placeholder",
 "secondary-label": "secondaryLabel",
 "icon-muted": "iconMuted",
Expand Down

10 changes: 5 additions & 5 deletions
apps/web/src/index.css

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -899,7 +899,7 @@ html[data-mobile-composer-route-transition="true"]::view-transition-old(t3-mobil
 --destructive: var(--error);
 --border: var(--color-zinc-200);
 --input: var(--color-zinc-300);
 --ring: oklch(0.488 0.217 264);
 --ring: var(--primary);
 --destructive-foreground: var(--error-foreground);
 --info: var(--color-blue-500);
 --info-foreground: var(--color-blue-700);
Expand DownExpand Up@@ -943,7 +943,7 @@ html[data-mobile-composer-route-transition="true"]::view-transition-old(t3-mobil
 --card-foreground: var(--color-neutral-100);
 --popover: color-mix(in srgb, var(--background) 94%, var(--color-white));
 --popover-foreground: var(--color-neutral-100);
 --primary: oklch(0.588 0.217 264);
 --primary: oklch(0.571 0.21 264);
 --primary-foreground: var(--color-white);
 --secondary: --alpha(var(--color-white) / 4%);
 --secondary-foreground: var(--color-neutral-100);
Expand All@@ -965,7 +965,7 @@ html[data-mobile-composer-route-transition="true"]::view-transition-old(t3-mobil
 --destructive: var(--error);
 --border: --alpha(var(--color-white) / 6%);
 --input: --alpha(var(--color-white) / 8%);
 --ring: oklch(0.588 0.217 264);
 --ring: var(--primary);
Comment thread
cursor[bot] marked this conversation as resolved.

 --destructive-foreground: var(--error-foreground);
 --info: var(--color-blue-500);
 --info-foreground: var(--color-blue-400);
Expand DownExpand Up@@ -1076,7 +1076,7 @@ html.dark[data-theme-id] {
 --secondary: var(--app-theme-secondary);
 --secondary-foreground: var(--app-theme-secondary-foreground);
 --muted: var(--app-theme-muted);
 --muted-foreground: var(--app-theme-text-muted);
 --muted-foreground: var(--app-theme-muted-foreground);
Comment thread
cursor[bot] marked this conversation as resolved.

 --placeholder: var(--app-theme-placeholder);
 --secondary-label: var(--app-theme-secondary-label);
 --icon-muted: var(--app-theme-icon-muted);
Expand DownExpand Up@@ -1326,7 +1326,7 @@ html[data-theme-id] [data-app-sidebar] {
 --accent: var(--app-theme-accent-surface);
 --accent-foreground: var(--app-theme-accent-surface-foreground);
 --muted: var(--app-theme-muted);
 --muted-foreground: var(--app-theme-text-muted);
 --muted-foreground: var(--app-theme-muted-foreground);
 --border: var(--app-theme-border);
 --input: var(--app-theme-input);
 --sidebar: var(--app-theme-sidebar);
Expand Down

21 changes: 13 additions & 8 deletions
apps/web/src/themePalette.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -113,6 +113,8 @@ describe("theme files", () => {
 expect(contrastRatio(colors.text, colors.canvas)).toBeGreaterThanOrEqual(7);
 expect(contrastRatio(colors.textMuted, colors.canvas)).toBeGreaterThanOrEqual(4.5);
 expect(contrastRatio(colors.textMuted, colors.canvas)).toBeLessThan(5.5);
 expect(contrastRatio(colors.mutedForeground, colors.muted)).toBeGreaterThanOrEqual(4.5);
 expect(contrastRatio(colors.placeholder, colors.surfaceRaised)).toBeGreaterThanOrEqual(4.5);
 expect(colors.secondaryLabel).toBe(colors.textMuted);
 expect(contrastRatio(colors.accentForeground, colors.accent)).toBeGreaterThanOrEqual(4.5);
 expect(
Expand DownExpand Up@@ -169,7 +171,7 @@ describe("theme files", () => {
 colors: {
 canvas: "#07152f",
 accent: "#67c2ff",
 placeholder: "#8f8699",
 placeholder: "#968d9f",
 },
 });
 });
Expand DownExpand Up@@ -315,9 +317,7 @@ describe("theme files", () => {
 4.5,
 );
 expect(contrastRatio(colors.sidebarForeground, colors.sidebar)).toBeGreaterThanOrEqual(4.5);
 // The live light primary is intended for filled controls and clears the
 // non-text UI-component threshold rather than normal-text AA.
 expect(contrastRatio(colors.accentForeground, colors.accent)).toBeGreaterThanOrEqual(3);
 expect(contrastRatio(colors.accentForeground, colors.accent)).toBeGreaterThanOrEqual(4.5);
 }
 });

Expand All@@ -340,9 +340,7 @@ describe("theme files", () => {
 1,
 );
 }
 expect(contrastRatio(colors!.accentForeground, colors!.accent)).toBeGreaterThanOrEqual(
 theme === T3_CHAT_THEME ? 3 : 4.5,
 );
 expect(contrastRatio(colors!.accentForeground, colors!.accent)).toBeGreaterThanOrEqual(4.5);
 expect(
 contrastRatio(colors!.toolbarControlForeground, colors!.toolbarControl),
 ).toBeGreaterThanOrEqual(4.5);
Expand All@@ -351,7 +349,14 @@ describe("theme files", () => {
 ).toBeGreaterThanOrEqual(4.5);
 expect(
 contrastRatio(colors!.messageActionForeground, colors!.messageAction),
 ).toBeGreaterThanOrEqual(theme === T3_CHAT_THEME ? 3 : 4.5);
 ).toBeGreaterThanOrEqual(4.5);
 expect(
 contrastRatio(colors!.messageActionForeground, colors!.messageActionHover),
 ).toBeGreaterThanOrEqual(4.5);
 expect(contrastRatio(colors!.mutedForeground, colors!.muted)).toBeGreaterThanOrEqual(4.5);
 expect(contrastRatio(colors!.placeholder, colors!.surfaceRaised)).toBeGreaterThanOrEqual(
 4.5,
 );
 }
 }
 });
Expand Down

43 changes: 25 additions & 18 deletions
apps/web/src/themePalette.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -325,6 +325,7 @@ function legacyThemeMode(theme: ThemePreference): ThemeAppearance | null {
// Measured from the live t3.chat default theme. Translucent chat surfaces are
// flattened over --chat-background so this opaque palette reproduces the
// pixels users see after T3 Chat's blur and noise layers are composited.
// Foreground pairs deviate where necessary to keep normal text at WCAG AA.
const T3_CHAT_LIGHT_COLORS: ThemeColors = {
 canvas: "#fdf7fd",
 // T3 Code's workspace header belongs to the chat panel, so keep it seamless
Expand All@@ -346,31 +347,31 @@ const T3_CHAT_LIGHT_COLORS: ThemeColors = {
 border: "#eee1ed",
 input: "#e7c1dc",
 focus: "#db2777",
 accent: "#e33f86",
 accent: "#db2777",
 accentForeground: "#ffffff",
 secondary: "#f1c4e6",
 secondaryForeground: "#77347c",
 muted: "#eaa7cb",
 mutedForeground: "#ac1668",
 placeholder: "#ad83b0",
 mutedForeground: "#8d1255",
 placeholder: "#8b5f90",
 secondaryLabel: "#ac1668",
 iconMuted: "#ac1668",
 error: "#f7086c",
 errorForeground: "#9d174d",
 errorSurface: "#fde4f1",
 warning: "#f59e0b",
 warningForeground: "#b45309",
 warningForeground: "#b05109",
 warningSurface: "#fcf0ea",
 update: "#e33f86",
 update: "#db2777",
 updateForeground: "#ac1668",
 updateSurface: "#fadfef",
 accentSurface: "#f3e6f5",
 accentSurfaceForeground: "#454554",
 messageSurface: "#f7def2",
 messageForeground: "#492c61",
 messageAction: "#e33f86",
 messageAction: "#db2777",
 messageActionForeground: "#ffffff",
 messageActionHover: "#d56698",
 messageActionHover: "#c12269",
 // T3 Chat uses a light lavender code surface in light mode. Keeping the
 // dark plum pair here also leaked the dark palette into T3 Code's diffs.
 codeBackground: "#f5ecf9",
Expand DownExpand Up@@ -422,7 +423,7 @@ const T3_CHAT_DARK_COLORS: ThemeColors = {
 secondaryForeground: "#d4c7e1",
 muted: "#423a45",
 mutedForeground: "#e7d0dd",
 placeholder: "#8f8699",
 placeholder: "#968d9f",
 secondaryLabel: "#e7d0dd",
 iconMuted: "#d4c7e1",
 error: "#9d174d",
Expand DownExpand Up@@ -549,8 +550,8 @@ const T3_CODE_DARK_THEME_COLORS: ThemeColors = {
 textMuted: "#818181",
 border: "#191919",
 input: "#1e1e1e",
 focus: "#366ffb",
 accent: "#366ffb",
 focus: "#346bf1",
 accent: "#346bf1",
 accentForeground: "#ffffff",
 secondary: "#141414",
 secondaryForeground: "#f5f5f5",
Expand All@@ -565,16 +566,16 @@ const T3_CODE_DARK_THEME_COLORS: ThemeColors = {
 warning: "#fe9a00",
 warningForeground: "#ffb900",
 warningSurface: "#312108",
 update: "#366ffb",
 update: "#346bf1",
 updateForeground: "#51a2ff",
 updateSurface: "#121c35",
 updateSurface: "#121b34",
 accentSurface: "#141414",
 accentSurfaceForeground: "#f5f5f5",
 messageSurface: "#141414",
 messageForeground: "#f5f5f5",
 messageAction: "#366ffb",
 messageAction: "#346bf1",
 messageActionForeground: "#ffffff",
 messageActionHover: "#3265e3",
 messageActionHover: "#3061d9",
 codeBackground: "#111111",
 codeForeground: "#f5f5f5",
 sidebar: "#000000",
Expand DownExpand Up@@ -941,12 +942,14 @@ export function createVividThemeColors(
 const sidebarRgb = themeOklchToRgb(sidebar);
 const surface = surfaceAt(0.015);
 const surfaceRaised = surfaceAt(0.05);
 const surfaceRaisedRgb = themeOklchToRgb(surfaceRaised);
 const surfaceOverlay = surfaceAt(0.075);
 const border = surfaceAt(dark ? 0.16 : 0.12, Math.min(0.07, accent.C * 0.35));
 const input = surfaceAt(dark ? 0.21 : 0.16, Math.min(0.08, accent.C * 0.4));
 const secondary = surfaceAt(dark ? 0.1 : 0.06, Math.min(0.09, accent.C * 0.5));
 const secondaryRgb = themeOklchToRgb(secondary);
 const muted = surfaceAt(dark ? 0.06 : 0.04, Math.min(0.06, accent.C * 0.35));
 const mutedRgb = themeOklchToRgb(muted);
 const accentSurface = surfaceAt(dark ? 0.13 : 0.08, Math.min(0.11, accent.C * 0.55));
 const accentSurfaceRgb = themeOklchToRgb(accentSurface);
 const messageSurface = surfaceAt(dark ? 0.16 : 0.1, Math.min(0.13, accent.C * 0.6));
Expand All@@ -958,6 +961,8 @@ export function createVividThemeColors(
 themeRgbToHexColor(
 themeOklchToRgb(solveOklchLightness(textBase, surfaceRgb, 4.6, dark ? "lighter" : "darker")),
 );
 const mutedForeground = foregroundOn(mutedRgb);
 const placeholder = foregroundOn(surfaceRaisedRgb);

 const actionHover: ThemeOklch = { ...action, L: action.L + (dark ? 0.06 : -0.06) };

Expand DownExpand Up@@ -986,8 +991,8 @@ export function createVividThemeColors(
 secondary: hex(secondary),
 secondaryForeground: foregroundOn(secondaryRgb),
 muted: hex(muted),
 mutedForeground: themeRgbToHexColor(textMutedRgb),
 placeholder: themeRgbToHexColor(textMutedRgb),
 mutedForeground,
 placeholder,
 secondaryLabel: themeRgbToHexColor(textMutedRgb),
 iconMuted: themeRgbToHexColor(textMutedRgb),
 update: themeRgbToHexColor(accentRgb),
Expand DownExpand Up@@ -1174,6 +1179,8 @@ export function createManagedThemeColors(
 const surfaceOverlay = mixThemeRgbColors(canvas, text, appearance === "dark" ? 0.18 : 0.06);
 const secondary = mixThemeRgbColors(canvas, accent, appearance === "dark" ? 0.2 : 0.08);
 const muted = mixThemeRgbColors(canvas, accent, appearance === "dark" ? 0.13 : 0.06);
 const mutedForeground = readableThemeText(muted, text, 1, 4.6);
 const placeholder = readableThemeText(surfaceRaised, text, 1, 4.6);
 const accentSurface = mixThemeRgbColors(canvas, accent, appearance === "dark" ? 0.3 : 0.14);
 const messageSurface = mixThemeRgbColors(canvas, accent, appearance === "dark" ? 0.36 : 0.18);
 const toolbarControl = mixThemeRgbColors(chrome, accent, appearance === "dark" ? 0.2 : 0.08);
Expand DownExpand Up@@ -1244,8 +1251,8 @@ export function createManagedThemeColors(
 secondary: themeRgbToHexColor(secondary),
 secondaryForeground: themeRgbToHexColor(readableThemeForeground(secondary)),
 muted: themeRgbToHexColor(muted),
 mutedForeground: themeRgbToHexColor(textMuted),
 placeholder: themeRgbToHexColor(textMuted),
 mutedForeground: themeRgbToHexColor(mutedForeground),
 placeholder: themeRgbToHexColor(placeholder),
 secondaryLabel: themeRgbToHexColor(textMuted),
 iconMuted: themeRgbToHexColor(textMuted),
 accentSurface: themeRgbToHexColor(accentSurface),
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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fix(web): improve built-in theme contrast#6000

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maria-rcks
merged 1 commit into

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Aug 10, 2026
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fix(web): improve built-in theme contrast
#6000
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4 changes: 2 additions & 2 deletions
apps/web/index.html

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -37,7 +37,7 @@
 light: {
 background: "#fdf7fd",
 foreground: "#501854",
 accent: "#e33f86",
 accent: "#db2777",
 chrome: "#fdf7fd",
 },
 dark: {
Expand All@@ -54,7 +54,7 @@
 light: {
 background: "#fdf7fd",
 foreground: "#501854",
 accent: "#e33f86",
 accent: "#db2777",
 chrome: "#fdf7fd",
 },
 dark: {
Expand Down

2 changes: 1 addition & 1 deletion
apps/web/src/components/chat/ModelPickerSidebar.tsx

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -29,7 +29,7 @@ const SELECTED_INDICATOR_CLASS =
 "pointer-events-none absolute -right-1 top-1/2 z-10 h-5 w-0.75 -translate-y-1/2 rounded-l-full bg-primary";
const BADGE_BASE_CLASS =
 "pointer-events-none absolute -right-0.5 top-0.5 z-10 flex size-3.5 items-center justify-center rounded-full bg-transparent shadow-sm ";
const NEW_BADGE_CLASS = `${BADGE_BASE_CLASS} text-update `;
const NEW_BADGE_CLASS = `${BADGE_BASE_CLASS} text-update-foreground `;

/** Opens toward the rail so the list stays readable (not over the model names). */
const PICKER_TOOLTIP_SIDE = "left" as const;
Expand Down

2 changes: 1 addition & 1 deletion
apps/web/src/components/settings/ProviderInstanceCard.tsx

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -619,7 +619,7 @@ export function ProviderInstanceCard({
 "size-5 rounded-sm p-0",
 versionAdvisory.emphasis === "strong"
 ? "text-warning hover:text-warning"
 : "text-update hover:text-update",
 : "text-update-foreground hover:text-update-foreground",
 )}
 aria-label="Update available — view details"
 >
Expand Down

3 changes: 3 additions & 0 deletions
apps/web/src/components/settings/themeInspector.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -31,6 +31,9 @@ describe("changedThemePaintKinds", () => {
describe("themeRoleFromUtilityClass", () => {
 it("maps semantic utilities to their actual palette role", () => {
 expect(themeRoleFromUtilityClass("text-foreground", "foreground")).toBe("text");
 expect(themeRoleFromUtilityClass("text-muted-foreground", "foreground")).toBe(
 "mutedForeground",
 );
 expect(themeRoleFromUtilityClass("bg-primary/90", "background")).toBe("messageAction");
 expect(themeRoleFromUtilityClass("ring-ring", "border")).toBe("focus");
 });
Expand Down

2 changes: 1 addition & 1 deletion
apps/web/src/components/settings/themeInspector.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -38,7 +38,7 @@ const THEME_UTILITY_ROLES: Readonly<Partial<Record<string, ThemeColorRole>>> = {
 secondary: "secondary",
 "secondary-foreground": "secondaryForeground",
 muted: "muted",
 "muted-foreground": "textMuted",
 "muted-foreground": "mutedForeground",
 placeholder: "placeholder",
 "secondary-label": "secondaryLabel",
 "icon-muted": "iconMuted",
Expand Down

10 changes: 5 additions & 5 deletions
apps/web/src/index.css

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -899,7 +899,7 @@ html[data-mobile-composer-route-transition="true"]::view-transition-old(t3-mobil
 --destructive: var(--error);
 --border: var(--color-zinc-200);
 --input: var(--color-zinc-300);
 --ring: oklch(0.488 0.217 264);
 --ring: var(--primary);
 --destructive-foreground: var(--error-foreground);
 --info: var(--color-blue-500);
 --info-foreground: var(--color-blue-700);
Expand DownExpand Up@@ -943,7 +943,7 @@ html[data-mobile-composer-route-transition="true"]::view-transition-old(t3-mobil
 --card-foreground: var(--color-neutral-100);
 --popover: color-mix(in srgb, var(--background) 94%, var(--color-white));
 --popover-foreground: var(--color-neutral-100);
 --primary: oklch(0.588 0.217 264);
 --primary: oklch(0.571 0.21 264);
 --primary-foreground: var(--color-white);
 --secondary: --alpha(var(--color-white) / 4%);
 --secondary-foreground: var(--color-neutral-100);
Expand All@@ -965,7 +965,7 @@ html[data-mobile-composer-route-transition="true"]::view-transition-old(t3-mobil
 --destructive: var(--error);
 --border: --alpha(var(--color-white) / 6%);
 --input: --alpha(var(--color-white) / 8%);
 --ring: oklch(0.588 0.217 264);
 --ring: var(--primary);
Comment thread
cursor[bot] marked this conversation as resolved.

 --destructive-foreground: var(--error-foreground);
 --info: var(--color-blue-500);
 --info-foreground: var(--color-blue-400);
Expand DownExpand Up@@ -1076,7 +1076,7 @@ html.dark[data-theme-id] {
 --secondary: var(--app-theme-secondary);
 --secondary-foreground: var(--app-theme-secondary-foreground);
 --muted: var(--app-theme-muted);
 --muted-foreground: var(--app-theme-text-muted);
 --muted-foreground: var(--app-theme-muted-foreground);
Comment thread
cursor[bot] marked this conversation as resolved.

 --placeholder: var(--app-theme-placeholder);
 --secondary-label: var(--app-theme-secondary-label);
 --icon-muted: var(--app-theme-icon-muted);
Expand DownExpand Up@@ -1326,7 +1326,7 @@ html[data-theme-id] [data-app-sidebar] {
 --accent: var(--app-theme-accent-surface);
 --accent-foreground: var(--app-theme-accent-surface-foreground);
 --muted: var(--app-theme-muted);
 --muted-foreground: var(--app-theme-text-muted);
 --muted-foreground: var(--app-theme-muted-foreground);
 --border: var(--app-theme-border);
 --input: var(--app-theme-input);
 --sidebar: var(--app-theme-sidebar);
Expand Down

21 changes: 13 additions & 8 deletions
apps/web/src/themePalette.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -113,6 +113,8 @@ describe("theme files", () => {
 expect(contrastRatio(colors.text, colors.canvas)).toBeGreaterThanOrEqual(7);
 expect(contrastRatio(colors.textMuted, colors.canvas)).toBeGreaterThanOrEqual(4.5);
 expect(contrastRatio(colors.textMuted, colors.canvas)).toBeLessThan(5.5);
 expect(contrastRatio(colors.mutedForeground, colors.muted)).toBeGreaterThanOrEqual(4.5);
 expect(contrastRatio(colors.placeholder, colors.surfaceRaised)).toBeGreaterThanOrEqual(4.5);
 expect(colors.secondaryLabel).toBe(colors.textMuted);
 expect(contrastRatio(colors.accentForeground, colors.accent)).toBeGreaterThanOrEqual(4.5);
 expect(
Expand DownExpand Up@@ -169,7 +171,7 @@ describe("theme files", () => {
 colors: {
 canvas: "#07152f",
 accent: "#67c2ff",
 placeholder: "#8f8699",
 placeholder: "#968d9f",
 },
 });
 });
Expand DownExpand Up@@ -315,9 +317,7 @@ describe("theme files", () => {
 4.5,
 );
 expect(contrastRatio(colors.sidebarForeground, colors.sidebar)).toBeGreaterThanOrEqual(4.5);
 // The live light primary is intended for filled controls and clears the
 // non-text UI-component threshold rather than normal-text AA.
 expect(contrastRatio(colors.accentForeground, colors.accent)).toBeGreaterThanOrEqual(3);
 expect(contrastRatio(colors.accentForeground, colors.accent)).toBeGreaterThanOrEqual(4.5);
 }
 });

Expand All@@ -340,9 +340,7 @@ describe("theme files", () => {
 1,
 );
 }
 expect(contrastRatio(colors!.accentForeground, colors!.accent)).toBeGreaterThanOrEqual(
 theme === T3_CHAT_THEME ? 3 : 4.5,
 );
 expect(contrastRatio(colors!.accentForeground, colors!.accent)).toBeGreaterThanOrEqual(4.5);
 expect(
 contrastRatio(colors!.toolbarControlForeground, colors!.toolbarControl),
 ).toBeGreaterThanOrEqual(4.5);
Expand All@@ -351,7 +349,14 @@ describe("theme files", () => {
 ).toBeGreaterThanOrEqual(4.5);
 expect(
 contrastRatio(colors!.messageActionForeground, colors!.messageAction),
 ).toBeGreaterThanOrEqual(theme === T3_CHAT_THEME ? 3 : 4.5);
 ).toBeGreaterThanOrEqual(4.5);
 expect(
 contrastRatio(colors!.messageActionForeground, colors!.messageActionHover),
 ).toBeGreaterThanOrEqual(4.5);
 expect(contrastRatio(colors!.mutedForeground, colors!.muted)).toBeGreaterThanOrEqual(4.5);
 expect(contrastRatio(colors!.placeholder, colors!.surfaceRaised)).toBeGreaterThanOrEqual(
 4.5,
 );
 }
 }
 });
Expand Down

43 changes: 25 additions & 18 deletions
apps/web/src/themePalette.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -325,6 +325,7 @@ function legacyThemeMode(theme: ThemePreference): ThemeAppearance | null {
// Measured from the live t3.chat default theme. Translucent chat surfaces are
// flattened over --chat-background so this opaque palette reproduces the
// pixels users see after T3 Chat's blur and noise layers are composited.
// Foreground pairs deviate where necessary to keep normal text at WCAG AA.
const T3_CHAT_LIGHT_COLORS: ThemeColors = {
 canvas: "#fdf7fd",
 // T3 Code's workspace header belongs to the chat panel, so keep it seamless
Expand All@@ -346,31 +347,31 @@ const T3_CHAT_LIGHT_COLORS: ThemeColors = {
 border: "#eee1ed",
 input: "#e7c1dc",
 focus: "#db2777",
 accent: "#e33f86",
 accent: "#db2777",
 accentForeground: "#ffffff",
 secondary: "#f1c4e6",
 secondaryForeground: "#77347c",
 muted: "#eaa7cb",
 mutedForeground: "#ac1668",
 placeholder: "#ad83b0",
 mutedForeground: "#8d1255",
 placeholder: "#8b5f90",
 secondaryLabel: "#ac1668",
 iconMuted: "#ac1668",
 error: "#f7086c",
 errorForeground: "#9d174d",
 errorSurface: "#fde4f1",
 warning: "#f59e0b",
 warningForeground: "#b45309",
 warningForeground: "#b05109",
 warningSurface: "#fcf0ea",
 update: "#e33f86",
 update: "#db2777",
 updateForeground: "#ac1668",
 updateSurface: "#fadfef",
 accentSurface: "#f3e6f5",
 accentSurfaceForeground: "#454554",
 messageSurface: "#f7def2",
 messageForeground: "#492c61",
 messageAction: "#e33f86",
 messageAction: "#db2777",
 messageActionForeground: "#ffffff",
 messageActionHover: "#d56698",
 messageActionHover: "#c12269",
 // T3 Chat uses a light lavender code surface in light mode. Keeping the
 // dark plum pair here also leaked the dark palette into T3 Code's diffs.
 codeBackground: "#f5ecf9",
Expand DownExpand Up@@ -422,7 +423,7 @@ const T3_CHAT_DARK_COLORS: ThemeColors = {
 secondaryForeground: "#d4c7e1",
 muted: "#423a45",
 mutedForeground: "#e7d0dd",
 placeholder: "#8f8699",
 placeholder: "#968d9f",
 secondaryLabel: "#e7d0dd",
 iconMuted: "#d4c7e1",
 error: "#9d174d",
Expand DownExpand Up@@ -549,8 +550,8 @@ const T3_CODE_DARK_THEME_COLORS: ThemeColors = {
 textMuted: "#818181",
 border: "#191919",
 input: "#1e1e1e",
 focus: "#366ffb",
 accent: "#366ffb",
 focus: "#346bf1",
 accent: "#346bf1",
 accentForeground: "#ffffff",
 secondary: "#141414",
 secondaryForeground: "#f5f5f5",
Expand All@@ -565,16 +566,16 @@ const T3_CODE_DARK_THEME_COLORS: ThemeColors = {
 warning: "#fe9a00",
 warningForeground: "#ffb900",
 warningSurface: "#312108",
 update: "#366ffb",
 update: "#346bf1",
 updateForeground: "#51a2ff",
 updateSurface: "#121c35",
 updateSurface: "#121b34",
 accentSurface: "#141414",
 accentSurfaceForeground: "#f5f5f5",
 messageSurface: "#141414",
 messageForeground: "#f5f5f5",
 messageAction: "#366ffb",
 messageAction: "#346bf1",
 messageActionForeground: "#ffffff",
 messageActionHover: "#3265e3",
 messageActionHover: "#3061d9",
 codeBackground: "#111111",
 codeForeground: "#f5f5f5",
 sidebar: "#000000",
Expand DownExpand Up@@ -941,12 +942,14 @@ export function createVividThemeColors(
 const sidebarRgb = themeOklchToRgb(sidebar);
 const surface = surfaceAt(0.015);
 const surfaceRaised = surfaceAt(0.05);
 const surfaceRaisedRgb = themeOklchToRgb(surfaceRaised);
 const surfaceOverlay = surfaceAt(0.075);
 const border = surfaceAt(dark ? 0.16 : 0.12, Math.min(0.07, accent.C * 0.35));
 const input = surfaceAt(dark ? 0.21 : 0.16, Math.min(0.08, accent.C * 0.4));
 const secondary = surfaceAt(dark ? 0.1 : 0.06, Math.min(0.09, accent.C * 0.5));
 const secondaryRgb = themeOklchToRgb(secondary);
 const muted = surfaceAt(dark ? 0.06 : 0.04, Math.min(0.06, accent.C * 0.35));
 const mutedRgb = themeOklchToRgb(muted);
 const accentSurface = surfaceAt(dark ? 0.13 : 0.08, Math.min(0.11, accent.C * 0.55));
 const accentSurfaceRgb = themeOklchToRgb(accentSurface);
 const messageSurface = surfaceAt(dark ? 0.16 : 0.1, Math.min(0.13, accent.C * 0.6));
Expand All@@ -958,6 +961,8 @@ export function createVividThemeColors(
 themeRgbToHexColor(
 themeOklchToRgb(solveOklchLightness(textBase, surfaceRgb, 4.6, dark ? "lighter" : "darker")),
 );
 const mutedForeground = foregroundOn(mutedRgb);
 const placeholder = foregroundOn(surfaceRaisedRgb);

 const actionHover: ThemeOklch = { ...action, L: action.L + (dark ? 0.06 : -0.06) };

Expand DownExpand Up@@ -986,8 +991,8 @@ export function createVividThemeColors(
 secondary: hex(secondary),
 secondaryForeground: foregroundOn(secondaryRgb),
 muted: hex(muted),
 mutedForeground: themeRgbToHexColor(textMutedRgb),
 placeholder: themeRgbToHexColor(textMutedRgb),
 mutedForeground,
 placeholder,
 secondaryLabel: themeRgbToHexColor(textMutedRgb),
 iconMuted: themeRgbToHexColor(textMutedRgb),
 update: themeRgbToHexColor(accentRgb),
Expand DownExpand Up@@ -1174,6 +1179,8 @@ export function createManagedThemeColors(
 const surfaceOverlay = mixThemeRgbColors(canvas, text, appearance === "dark" ? 0.18 : 0.06);
 const secondary = mixThemeRgbColors(canvas, accent, appearance === "dark" ? 0.2 : 0.08);
 const muted = mixThemeRgbColors(canvas, accent, appearance === "dark" ? 0.13 : 0.06);
 const mutedForeground = readableThemeText(muted, text, 1, 4.6);
 const placeholder = readableThemeText(surfaceRaised, text, 1, 4.6);
 const accentSurface = mixThemeRgbColors(canvas, accent, appearance === "dark" ? 0.3 : 0.14);
 const messageSurface = mixThemeRgbColors(canvas, accent, appearance === "dark" ? 0.36 : 0.18);
 const toolbarControl = mixThemeRgbColors(chrome, accent, appearance === "dark" ? 0.2 : 0.08);
Expand DownExpand Up@@ -1244,8 +1251,8 @@ export function createManagedThemeColors(
 secondary: themeRgbToHexColor(secondary),
 secondaryForeground: themeRgbToHexColor(readableThemeForeground(secondary)),
 muted: themeRgbToHexColor(muted),
 mutedForeground: themeRgbToHexColor(textMuted),
 placeholder: themeRgbToHexColor(textMuted),
 mutedForeground: themeRgbToHexColor(mutedForeground),
 placeholder: themeRgbToHexColor(placeholder),
 secondaryLabel: themeRgbToHexColor(textMuted),
 iconMuted: themeRgbToHexColor(textMuted),
 accentSurface: themeRgbToHexColor(accentSurface),
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
fix(web): improve built-in theme contrast#6000

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 Merged

maria-rcks
merged 1 commit into

from

Aug 10, 2026
 Merged


fix(web): improve built-in theme contrast
#6000
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4 changes: 2 additions & 2 deletions
apps/web/index.html

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -37,7 +37,7 @@
 light: {
 background: "#fdf7fd",
 foreground: "#501854",
 accent: "#e33f86",
 accent: "#db2777",
 chrome: "#fdf7fd",
 },
 dark: {
Expand All@@ -54,7 +54,7 @@
 light: {
 background: "#fdf7fd",
 foreground: "#501854",
 accent: "#e33f86",
 accent: "#db2777",
 chrome: "#fdf7fd",
 },
 dark: {
Expand Down

2 changes: 1 addition & 1 deletion
apps/web/src/components/chat/ModelPickerSidebar.tsx

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -29,7 +29,7 @@ const SELECTED_INDICATOR_CLASS =
 "pointer-events-none absolute -right-1 top-1/2 z-10 h-5 w-0.75 -translate-y-1/2 rounded-l-full bg-primary";
const BADGE_BASE_CLASS =
 "pointer-events-none absolute -right-0.5 top-0.5 z-10 flex size-3.5 items-center justify-center rounded-full bg-transparent shadow-sm ";
const NEW_BADGE_CLASS = `${BADGE_BASE_CLASS} text-update `;
const NEW_BADGE_CLASS = `${BADGE_BASE_CLASS} text-update-foreground `;

/** Opens toward the rail so the list stays readable (not over the model names). */
const PICKER_TOOLTIP_SIDE = "left" as const;
Expand Down

2 changes: 1 addition & 1 deletion
apps/web/src/components/settings/ProviderInstanceCard.tsx

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -619,7 +619,7 @@ export function ProviderInstanceCard({
 "size-5 rounded-sm p-0",
 versionAdvisory.emphasis === "strong"
 ? "text-warning hover:text-warning"
 : "text-update hover:text-update",
 : "text-update-foreground hover:text-update-foreground",
 )}
 aria-label="Update available — view details"
 >
Expand Down

3 changes: 3 additions & 0 deletions
apps/web/src/components/settings/themeInspector.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -31,6 +31,9 @@ describe("changedThemePaintKinds", () => {
describe("themeRoleFromUtilityClass", () => {
 it("maps semantic utilities to their actual palette role", () => {
 expect(themeRoleFromUtilityClass("text-foreground", "foreground")).toBe("text");
 expect(themeRoleFromUtilityClass("text-muted-foreground", "foreground")).toBe(
 "mutedForeground",
 );
 expect(themeRoleFromUtilityClass("bg-primary/90", "background")).toBe("messageAction");
 expect(themeRoleFromUtilityClass("ring-ring", "border")).toBe("focus");
 });
Expand Down

2 changes: 1 addition & 1 deletion
apps/web/src/components/settings/themeInspector.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -38,7 +38,7 @@ const THEME_UTILITY_ROLES: Readonly<Partial<Record<string, ThemeColorRole>>> = {
 secondary: "secondary",
 "secondary-foreground": "secondaryForeground",
 muted: "muted",
 "muted-foreground": "textMuted",
 "muted-foreground": "mutedForeground",
 placeholder: "placeholder",
 "secondary-label": "secondaryLabel",
 "icon-muted": "iconMuted",
Expand Down

10 changes: 5 additions & 5 deletions
apps/web/src/index.css

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Original file line numberDiff line numberDiff line change
Expand Up@@ -899,7 +899,7 @@ html[data-mobile-composer-route-transition="true"]::view-transition-old(t3-mobil
 --destructive: var(--error);
 --border: var(--color-zinc-200);
 --input: var(--color-zinc-300);
 --ring: oklch(0.488 0.217 264);
 --ring: var(--primary);
 --destructive-foreground: var(--error-foreground);
 --info: var(--color-blue-500);
 --info-foreground: var(--color-blue-700);
Expand DownExpand Up@@ -943,7 +943,7 @@ html[data-mobile-composer-route-transition="true"]::view-transition-old(t3-mobil
 --card-foreground: var(--color-neutral-100);
 --popover: color-mix(in srgb, var(--background) 94%, var(--color-white));
 --popover-foreground: var(--color-neutral-100);
 --primary: oklch(0.588 0.217 264);
 --primary: oklch(0.571 0.21 264);
 --primary-foreground: var(--color-white);
 --secondary: --alpha(var(--color-white) / 4%);
 --secondary-foreground: var(--color-neutral-100);
Expand All@@ -965,7 +965,7 @@ html[data-mobile-composer-route-transition="true"]::view-transition-old(t3-mobil
 --destructive: var(--error);
 --border: --alpha(var(--color-white) / 6%);
 --input: --alpha(var(--color-white) / 8%);
 --ring: oklch(0.588 0.217 264);
 --ring: var(--primary);
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 --destructive-foreground: var(--error-foreground);
 --info: var(--color-blue-500);
 --info-foreground: var(--color-blue-400);
Expand DownExpand Up@@ -1076,7 +1076,7 @@ html.dark[data-theme-id] {
 --secondary: var(--app-theme-secondary);
 --secondary-foreground: var(--app-theme-secondary-foreground);
 --muted: var(--app-theme-muted);
 --muted-foreground: var(--app-theme-text-muted);
 --muted-foreground: var(--app-theme-muted-foreground);
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 --placeholder: var(--app-theme-placeholder);
 --secondary-label: var(--app-theme-secondary-label);
 --icon-muted: var(--app-theme-icon-muted);
Expand DownExpand Up@@ -1326,7 +1326,7 @@ html[data-theme-id] [data-app-sidebar] {
 --accent: var(--app-theme-accent-surface);
 --accent-foreground: var(--app-theme-accent-surface-foreground);
 --muted: var(--app-theme-muted);
 --muted-foreground: var(--app-theme-text-muted);
 --muted-foreground: var(--app-theme-muted-foreground);
 --border: var(--app-theme-border);
 --input: var(--app-theme-input);
 --sidebar: var(--app-theme-sidebar);
Expand Down

21 changes: 13 additions & 8 deletions
apps/web/src/themePalette.test.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -113,6 +113,8 @@ describe("theme files", () => {
 expect(contrastRatio(colors.text, colors.canvas)).toBeGreaterThanOrEqual(7);
 expect(contrastRatio(colors.textMuted, colors.canvas)).toBeGreaterThanOrEqual(4.5);
 expect(contrastRatio(colors.textMuted, colors.canvas)).toBeLessThan(5.5);
 expect(contrastRatio(colors.mutedForeground, colors.muted)).toBeGreaterThanOrEqual(4.5);
 expect(contrastRatio(colors.placeholder, colors.surfaceRaised)).toBeGreaterThanOrEqual(4.5);
 expect(colors.secondaryLabel).toBe(colors.textMuted);
 expect(contrastRatio(colors.accentForeground, colors.accent)).toBeGreaterThanOrEqual(4.5);
 expect(
Expand DownExpand Up@@ -169,7 +171,7 @@ describe("theme files", () => {
 colors: {
 canvas: "#07152f",
 accent: "#67c2ff",
 placeholder: "#8f8699",
 placeholder: "#968d9f",
 },
 });
 });
Expand DownExpand Up@@ -315,9 +317,7 @@ describe("theme files", () => {
 4.5,
 );
 expect(contrastRatio(colors.sidebarForeground, colors.sidebar)).toBeGreaterThanOrEqual(4.5);
 // The live light primary is intended for filled controls and clears the
 // non-text UI-component threshold rather than normal-text AA.
 expect(contrastRatio(colors.accentForeground, colors.accent)).toBeGreaterThanOrEqual(3);
 expect(contrastRatio(colors.accentForeground, colors.accent)).toBeGreaterThanOrEqual(4.5);
 }
 });

Expand All@@ -340,9 +340,7 @@ describe("theme files", () => {
 1,
 );
 }
 expect(contrastRatio(colors!.accentForeground, colors!.accent)).toBeGreaterThanOrEqual(
 theme === T3_CHAT_THEME ? 3 : 4.5,
 );
 expect(contrastRatio(colors!.accentForeground, colors!.accent)).toBeGreaterThanOrEqual(4.5);
 expect(
 contrastRatio(colors!.toolbarControlForeground, colors!.toolbarControl),
 ).toBeGreaterThanOrEqual(4.5);
Expand All@@ -351,7 +349,14 @@ describe("theme files", () => {
 ).toBeGreaterThanOrEqual(4.5);
 expect(
 contrastRatio(colors!.messageActionForeground, colors!.messageAction),
 ).toBeGreaterThanOrEqual(theme === T3_CHAT_THEME ? 3 : 4.5);
 ).toBeGreaterThanOrEqual(4.5);
 expect(
 contrastRatio(colors!.messageActionForeground, colors!.messageActionHover),
 ).toBeGreaterThanOrEqual(4.5);
 expect(contrastRatio(colors!.mutedForeground, colors!.muted)).toBeGreaterThanOrEqual(4.5);
 expect(contrastRatio(colors!.placeholder, colors!.surfaceRaised)).toBeGreaterThanOrEqual(
 4.5,
 );
 }
 }
 });
Expand Down

43 changes: 25 additions & 18 deletions
apps/web/src/themePalette.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -325,6 +325,7 @@ function legacyThemeMode(theme: ThemePreference): ThemeAppearance | null {
// Measured from the live t3.chat default theme. Translucent chat surfaces are
// flattened over --chat-background so this opaque palette reproduces the
// pixels users see after T3 Chat's blur and noise layers are composited.
// Foreground pairs deviate where necessary to keep normal text at WCAG AA.
const T3_CHAT_LIGHT_COLORS: ThemeColors = {
 canvas: "#fdf7fd",
 // T3 Code's workspace header belongs to the chat panel, so keep it seamless
Expand All@@ -346,31 +347,31 @@ const T3_CHAT_LIGHT_COLORS: ThemeColors = {
 border: "#eee1ed",
 input: "#e7c1dc",
 focus: "#db2777",
 accent: "#e33f86",
 accent: "#db2777",
 accentForeground: "#ffffff",
 secondary: "#f1c4e6",
 secondaryForeground: "#77347c",
 muted: "#eaa7cb",
 mutedForeground: "#ac1668",
 placeholder: "#ad83b0",
 mutedForeground: "#8d1255",
 placeholder: "#8b5f90",
 secondaryLabel: "#ac1668",
 iconMuted: "#ac1668",
 error: "#f7086c",
 errorForeground: "#9d174d",
 errorSurface: "#fde4f1",
 warning: "#f59e0b",
 warningForeground: "#b45309",
 warningForeground: "#b05109",
 warningSurface: "#fcf0ea",
 update: "#e33f86",
 update: "#db2777",
 updateForeground: "#ac1668",
 updateSurface: "#fadfef",
 accentSurface: "#f3e6f5",
 accentSurfaceForeground: "#454554",
 messageSurface: "#f7def2",
 messageForeground: "#492c61",
 messageAction: "#e33f86",
 messageAction: "#db2777",
 messageActionForeground: "#ffffff",
 messageActionHover: "#d56698",
 messageActionHover: "#c12269",
 // T3 Chat uses a light lavender code surface in light mode. Keeping the
 // dark plum pair here also leaked the dark palette into T3 Code's diffs.
 codeBackground: "#f5ecf9",
Expand DownExpand Up@@ -422,7 +423,7 @@ const T3_CHAT_DARK_COLORS: ThemeColors = {
 secondaryForeground: "#d4c7e1",
 muted: "#423a45",
 mutedForeground: "#e7d0dd",
 placeholder: "#8f8699",
 placeholder: "#968d9f",
 secondaryLabel: "#e7d0dd",
 iconMuted: "#d4c7e1",
 error: "#9d174d",
Expand DownExpand Up@@ -549,8 +550,8 @@ const T3_CODE_DARK_THEME_COLORS: ThemeColors = {
 textMuted: "#818181",
 border: "#191919",
 input: "#1e1e1e",
 focus: "#366ffb",
 accent: "#366ffb",
 focus: "#346bf1",
 accent: "#346bf1",
 accentForeground: "#ffffff",
 secondary: "#141414",
 secondaryForeground: "#f5f5f5",
Expand All@@ -565,16 +566,16 @@ const T3_CODE_DARK_THEME_COLORS: ThemeColors = {
 warning: "#fe9a00",
 warningForeground: "#ffb900",
 warningSurface: "#312108",
 update: "#366ffb",
 update: "#346bf1",
 updateForeground: "#51a2ff",
 updateSurface: "#121c35",
 updateSurface: "#121b34",
 accentSurface: "#141414",
 accentSurfaceForeground: "#f5f5f5",
 messageSurface: "#141414",
 messageForeground: "#f5f5f5",
 messageAction: "#366ffb",
 messageAction: "#346bf1",
 messageActionForeground: "#ffffff",
 messageActionHover: "#3265e3",
 messageActionHover: "#3061d9",
 codeBackground: "#111111",
 codeForeground: "#f5f5f5",
 sidebar: "#000000",
Expand DownExpand Up@@ -941,12 +942,14 @@ export function createVividThemeColors(
 const sidebarRgb = themeOklchToRgb(sidebar);
 const surface = surfaceAt(0.015);
 const surfaceRaised = surfaceAt(0.05);
 const surfaceRaisedRgb = themeOklchToRgb(surfaceRaised);
 const surfaceOverlay = surfaceAt(0.075);
 const border = surfaceAt(dark ? 0.16 : 0.12, Math.min(0.07, accent.C * 0.35));
 const input = surfaceAt(dark ? 0.21 : 0.16, Math.min(0.08, accent.C * 0.4));
 const secondary = surfaceAt(dark ? 0.1 : 0.06, Math.min(0.09, accent.C * 0.5));
 const secondaryRgb = themeOklchToRgb(secondary);
 const muted = surfaceAt(dark ? 0.06 : 0.04, Math.min(0.06, accent.C * 0.35));
 const mutedRgb = themeOklchToRgb(muted);
 const accentSurface = surfaceAt(dark ? 0.13 : 0.08, Math.min(0.11, accent.C * 0.55));
 const accentSurfaceRgb = themeOklchToRgb(accentSurface);
 const messageSurface = surfaceAt(dark ? 0.16 : 0.1, Math.min(0.13, accent.C * 0.6));
Expand All@@ -958,6 +961,8 @@ export function createVividThemeColors(
 themeRgbToHexColor(
 themeOklchToRgb(solveOklchLightness(textBase, surfaceRgb, 4.6, dark ? "lighter" : "darker")),
 );
 const mutedForeground = foregroundOn(mutedRgb);
 const placeholder = foregroundOn(surfaceRaisedRgb);

 const actionHover: ThemeOklch = { ...action, L: action.L + (dark ? 0.06 : -0.06) };

Expand DownExpand Up@@ -986,8 +991,8 @@ export function createVividThemeColors(
 secondary: hex(secondary),
 secondaryForeground: foregroundOn(secondaryRgb),
 muted: hex(muted),
 mutedForeground: themeRgbToHexColor(textMutedRgb),
 placeholder: themeRgbToHexColor(textMutedRgb),
 mutedForeground,
 placeholder,
 secondaryLabel: themeRgbToHexColor(textMutedRgb),
 iconMuted: themeRgbToHexColor(textMutedRgb),
 update: themeRgbToHexColor(accentRgb),
Expand DownExpand Up@@ -1174,6 +1179,8 @@ export function createManagedThemeColors(
 const surfaceOverlay = mixThemeRgbColors(canvas, text, appearance === "dark" ? 0.18 : 0.06);
 const secondary = mixThemeRgbColors(canvas, accent, appearance === "dark" ? 0.2 : 0.08);
 const muted = mixThemeRgbColors(canvas, accent, appearance === "dark" ? 0.13 : 0.06);
 const mutedForeground = readableThemeText(muted, text, 1, 4.6);
 const placeholder = readableThemeText(surfaceRaised, text, 1, 4.6);
 const accentSurface = mixThemeRgbColors(canvas, accent, appearance === "dark" ? 0.3 : 0.14);
 const messageSurface = mixThemeRgbColors(canvas, accent, appearance === "dark" ? 0.36 : 0.18);
 const toolbarControl = mixThemeRgbColors(chrome, accent, appearance === "dark" ? 0.2 : 0.08);
Expand DownExpand Up@@ -1244,8 +1251,8 @@ export function createManagedThemeColors(
 secondary: themeRgbToHexColor(secondary),
 secondaryForeground: themeRgbToHexColor(readableThemeForeground(secondary)),
 muted: themeRgbToHexColor(muted),
 mutedForeground: themeRgbToHexColor(textMuted),
 placeholder: themeRgbToHexColor(textMuted),
 mutedForeground: themeRgbToHexColor(mutedForeground),
 placeholder: themeRgbToHexColor(placeholder),
 secondaryLabel: themeRgbToHexColor(textMuted),
 iconMuted: themeRgbToHexColor(textMuted),
 accentSurface: themeRgbToHexColor(accentSurface),
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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fix(web): improve built-in theme contrast#6000

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merged 1 commit into

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Aug 10, 2026
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fix(web): improve built-in theme contrast
#6000
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4 changes: 2 additions & 2 deletions
apps/web/index.html

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Original file line numberDiff line numberDiff line change
Expand Up@@ -37,7 +37,7 @@
 light: {
 background: "#fdf7fd",
 foreground: "#501854",
 accent: "#e33f86",
 accent: "#db2777",
 chrome: "#fdf7fd",
 },
 dark: {
Expand All@@ -54,7 +54,7 @@
 light: {
 background: "#fdf7fd",
 foreground: "#501854",
 accent: "#e33f86",
 accent: "#db2777",
 chrome: "#fdf7fd",
 },
 dark: {
Expand Down

2 changes: 1 addition & 1 deletion
apps/web/src/components/chat/ModelPickerSidebar.tsx

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Original file line numberDiff line numberDiff line change
Expand Up@@ -29,7 +29,7 @@ const SELECTED_INDICATOR_CLASS =
 "pointer-events-none absolute -right-1 top-1/2 z-10 h-5 w-0.75 -translate-y-1/2 rounded-l-full bg-primary";
const BADGE_BASE_CLASS =
 "pointer-events-none absolute -right-0.5 top-0.5 z-10 flex size-3.5 items-center justify-center rounded-full bg-transparent shadow-sm ";
const NEW_BADGE_CLASS = `${BADGE_BASE_CLASS} text-update `;
const NEW_BADGE_CLASS = `${BADGE_BASE_CLASS} text-update-foreground `;

/** Opens toward the rail so the list stays readable (not over the model names). */
const PICKER_TOOLTIP_SIDE = "left" as const;
Expand Down

2 changes: 1 addition & 1 deletion
apps/web/src/components/settings/ProviderInstanceCard.tsx

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Original file line numberDiff line numberDiff line change
Expand Up@@ -619,7 +619,7 @@ export function ProviderInstanceCard({
 "size-5 rounded-sm p-0",
 versionAdvisory.emphasis === "strong"
 ? "text-warning hover:text-warning"
 : "text-update hover:text-update",
 : "text-update-foreground hover:text-update-foreground",
 )}
 aria-label="Update available — view details"
 >
Expand Down

3 changes: 3 additions & 0 deletions
apps/web/src/components/settings/themeInspector.test.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -31,6 +31,9 @@ describe("changedThemePaintKinds", () => {
describe("themeRoleFromUtilityClass", () => {
 it("maps semantic utilities to their actual palette role", () => {
 expect(themeRoleFromUtilityClass("text-foreground", "foreground")).toBe("text");
 expect(themeRoleFromUtilityClass("text-muted-foreground", "foreground")).toBe(
 "mutedForeground",
 );
 expect(themeRoleFromUtilityClass("bg-primary/90", "background")).toBe("messageAction");
 expect(themeRoleFromUtilityClass("ring-ring", "border")).toBe("focus");
 });
Expand Down

2 changes: 1 addition & 1 deletion
apps/web/src/components/settings/themeInspector.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -38,7 +38,7 @@ const THEME_UTILITY_ROLES: Readonly<Partial<Record<string, ThemeColorRole>>> = {
 secondary: "secondary",
 "secondary-foreground": "secondaryForeground",
 muted: "muted",
 "muted-foreground": "textMuted",
 "muted-foreground": "mutedForeground",
 placeholder: "placeholder",
 "secondary-label": "secondaryLabel",
 "icon-muted": "iconMuted",
Expand Down

10 changes: 5 additions & 5 deletions
apps/web/src/index.css

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -899,7 +899,7 @@ html[data-mobile-composer-route-transition="true"]::view-transition-old(t3-mobil
 --destructive: var(--error);
 --border: var(--color-zinc-200);
 --input: var(--color-zinc-300);
 --ring: oklch(0.488 0.217 264);
 --ring: var(--primary);
 --destructive-foreground: var(--error-foreground);
 --info: var(--color-blue-500);
 --info-foreground: var(--color-blue-700);
Expand DownExpand Up@@ -943,7 +943,7 @@ html[data-mobile-composer-route-transition="true"]::view-transition-old(t3-mobil
 --card-foreground: var(--color-neutral-100);
 --popover: color-mix(in srgb, var(--background) 94%, var(--color-white));
 --popover-foreground: var(--color-neutral-100);
 --primary: oklch(0.588 0.217 264);
 --primary: oklch(0.571 0.21 264);
 --primary-foreground: var(--color-white);
 --secondary: --alpha(var(--color-white) / 4%);
 --secondary-foreground: var(--color-neutral-100);
Expand All@@ -965,7 +965,7 @@ html[data-mobile-composer-route-transition="true"]::view-transition-old(t3-mobil
 --destructive: var(--error);
 --border: --alpha(var(--color-white) / 6%);
 --input: --alpha(var(--color-white) / 8%);
 --ring: oklch(0.588 0.217 264);
 --ring: var(--primary);
Comment thread
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 --destructive-foreground: var(--error-foreground);
 --info: var(--color-blue-500);
 --info-foreground: var(--color-blue-400);
Expand DownExpand Up@@ -1076,7 +1076,7 @@ html.dark[data-theme-id] {
 --secondary: var(--app-theme-secondary);
 --secondary-foreground: var(--app-theme-secondary-foreground);
 --muted: var(--app-theme-muted);
 --muted-foreground: var(--app-theme-text-muted);
 --muted-foreground: var(--app-theme-muted-foreground);
Comment thread
cursor[bot] marked this conversation as resolved.

 --placeholder: var(--app-theme-placeholder);
 --secondary-label: var(--app-theme-secondary-label);
 --icon-muted: var(--app-theme-icon-muted);
Expand DownExpand Up@@ -1326,7 +1326,7 @@ html[data-theme-id] [data-app-sidebar] {
 --accent: var(--app-theme-accent-surface);
 --accent-foreground: var(--app-theme-accent-surface-foreground);
 --muted: var(--app-theme-muted);
 --muted-foreground: var(--app-theme-text-muted);
 --muted-foreground: var(--app-theme-muted-foreground);
 --border: var(--app-theme-border);
 --input: var(--app-theme-input);
 --sidebar: var(--app-theme-sidebar);
Expand Down

21 changes: 13 additions & 8 deletions
apps/web/src/themePalette.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -113,6 +113,8 @@ describe("theme files", () => {
 expect(contrastRatio(colors.text, colors.canvas)).toBeGreaterThanOrEqual(7);
 expect(contrastRatio(colors.textMuted, colors.canvas)).toBeGreaterThanOrEqual(4.5);
 expect(contrastRatio(colors.textMuted, colors.canvas)).toBeLessThan(5.5);
 expect(contrastRatio(colors.mutedForeground, colors.muted)).toBeGreaterThanOrEqual(4.5);
 expect(contrastRatio(colors.placeholder, colors.surfaceRaised)).toBeGreaterThanOrEqual(4.5);
 expect(colors.secondaryLabel).toBe(colors.textMuted);
 expect(contrastRatio(colors.accentForeground, colors.accent)).toBeGreaterThanOrEqual(4.5);
 expect(
Expand DownExpand Up@@ -169,7 +171,7 @@ describe("theme files", () => {
 colors: {
 canvas: "#07152f",
 accent: "#67c2ff",
 placeholder: "#8f8699",
 placeholder: "#968d9f",
 },
 });
 });
Expand DownExpand Up@@ -315,9 +317,7 @@ describe("theme files", () => {
 4.5,
 );
 expect(contrastRatio(colors.sidebarForeground, colors.sidebar)).toBeGreaterThanOrEqual(4.5);
 // The live light primary is intended for filled controls and clears the
 // non-text UI-component threshold rather than normal-text AA.
 expect(contrastRatio(colors.accentForeground, colors.accent)).toBeGreaterThanOrEqual(3);
 expect(contrastRatio(colors.accentForeground, colors.accent)).toBeGreaterThanOrEqual(4.5);
 }
 });

Expand All@@ -340,9 +340,7 @@ describe("theme files", () => {
 1,
 );
 }
 expect(contrastRatio(colors!.accentForeground, colors!.accent)).toBeGreaterThanOrEqual(
 theme === T3_CHAT_THEME ? 3 : 4.5,
 );
 expect(contrastRatio(colors!.accentForeground, colors!.accent)).toBeGreaterThanOrEqual(4.5);
 expect(
 contrastRatio(colors!.toolbarControlForeground, colors!.toolbarControl),
 ).toBeGreaterThanOrEqual(4.5);
Expand All@@ -351,7 +349,14 @@ describe("theme files", () => {
 ).toBeGreaterThanOrEqual(4.5);
 expect(
 contrastRatio(colors!.messageActionForeground, colors!.messageAction),
 ).toBeGreaterThanOrEqual(theme === T3_CHAT_THEME ? 3 : 4.5);
 ).toBeGreaterThanOrEqual(4.5);
 expect(
 contrastRatio(colors!.messageActionForeground, colors!.messageActionHover),
 ).toBeGreaterThanOrEqual(4.5);
 expect(contrastRatio(colors!.mutedForeground, colors!.muted)).toBeGreaterThanOrEqual(4.5);
 expect(contrastRatio(colors!.placeholder, colors!.surfaceRaised)).toBeGreaterThanOrEqual(
 4.5,
 );
 }
 }
 });
Expand Down

43 changes: 25 additions & 18 deletions
apps/web/src/themePalette.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -325,6 +325,7 @@ function legacyThemeMode(theme: ThemePreference): ThemeAppearance | null {
// Measured from the live t3.chat default theme. Translucent chat surfaces are
// flattened over --chat-background so this opaque palette reproduces the
// pixels users see after T3 Chat's blur and noise layers are composited.
// Foreground pairs deviate where necessary to keep normal text at WCAG AA.
const T3_CHAT_LIGHT_COLORS: ThemeColors = {
 canvas: "#fdf7fd",
 // T3 Code's workspace header belongs to the chat panel, so keep it seamless
Expand All@@ -346,31 +347,31 @@ const T3_CHAT_LIGHT_COLORS: ThemeColors = {
 border: "#eee1ed",
 input: "#e7c1dc",
 focus: "#db2777",
 accent: "#e33f86",
 accent: "#db2777",
 accentForeground: "#ffffff",
 secondary: "#f1c4e6",
 secondaryForeground: "#77347c",
 muted: "#eaa7cb",
 mutedForeground: "#ac1668",
 placeholder: "#ad83b0",
 mutedForeground: "#8d1255",
 placeholder: "#8b5f90",
 secondaryLabel: "#ac1668",
 iconMuted: "#ac1668",
 error: "#f7086c",
 errorForeground: "#9d174d",
 errorSurface: "#fde4f1",
 warning: "#f59e0b",
 warningForeground: "#b45309",
 warningForeground: "#b05109",
 warningSurface: "#fcf0ea",
 update: "#e33f86",
 update: "#db2777",
 updateForeground: "#ac1668",
 updateSurface: "#fadfef",
 accentSurface: "#f3e6f5",
 accentSurfaceForeground: "#454554",
 messageSurface: "#f7def2",
 messageForeground: "#492c61",
 messageAction: "#e33f86",
 messageAction: "#db2777",
 messageActionForeground: "#ffffff",
 messageActionHover: "#d56698",
 messageActionHover: "#c12269",
 // T3 Chat uses a light lavender code surface in light mode. Keeping the
 // dark plum pair here also leaked the dark palette into T3 Code's diffs.
 codeBackground: "#f5ecf9",
Expand DownExpand Up@@ -422,7 +423,7 @@ const T3_CHAT_DARK_COLORS: ThemeColors = {
 secondaryForeground: "#d4c7e1",
 muted: "#423a45",
 mutedForeground: "#e7d0dd",
 placeholder: "#8f8699",
 placeholder: "#968d9f",
 secondaryLabel: "#e7d0dd",
 iconMuted: "#d4c7e1",
 error: "#9d174d",
Expand DownExpand Up@@ -549,8 +550,8 @@ const T3_CODE_DARK_THEME_COLORS: ThemeColors = {
 textMuted: "#818181",
 border: "#191919",
 input: "#1e1e1e",
 focus: "#366ffb",
 accent: "#366ffb",
 focus: "#346bf1",
 accent: "#346bf1",
 accentForeground: "#ffffff",
 secondary: "#141414",
 secondaryForeground: "#f5f5f5",
Expand All@@ -565,16 +566,16 @@ const T3_CODE_DARK_THEME_COLORS: ThemeColors = {
 warning: "#fe9a00",
 warningForeground: "#ffb900",
 warningSurface: "#312108",
 update: "#366ffb",
 update: "#346bf1",
 updateForeground: "#51a2ff",
 updateSurface: "#121c35",
 updateSurface: "#121b34",
 accentSurface: "#141414",
 accentSurfaceForeground: "#f5f5f5",
 messageSurface: "#141414",
 messageForeground: "#f5f5f5",
 messageAction: "#366ffb",
 messageAction: "#346bf1",
 messageActionForeground: "#ffffff",
 messageActionHover: "#3265e3",
 messageActionHover: "#3061d9",
 codeBackground: "#111111",
 codeForeground: "#f5f5f5",
 sidebar: "#000000",
Expand DownExpand Up@@ -941,12 +942,14 @@ export function createVividThemeColors(
 const sidebarRgb = themeOklchToRgb(sidebar);
 const surface = surfaceAt(0.015);
 const surfaceRaised = surfaceAt(0.05);
 const surfaceRaisedRgb = themeOklchToRgb(surfaceRaised);
 const surfaceOverlay = surfaceAt(0.075);
 const border = surfaceAt(dark ? 0.16 : 0.12, Math.min(0.07, accent.C * 0.35));
 const input = surfaceAt(dark ? 0.21 : 0.16, Math.min(0.08, accent.C * 0.4));
 const secondary = surfaceAt(dark ? 0.1 : 0.06, Math.min(0.09, accent.C * 0.5));
 const secondaryRgb = themeOklchToRgb(secondary);
 const muted = surfaceAt(dark ? 0.06 : 0.04, Math.min(0.06, accent.C * 0.35));
 const mutedRgb = themeOklchToRgb(muted);
 const accentSurface = surfaceAt(dark ? 0.13 : 0.08, Math.min(0.11, accent.C * 0.55));
 const accentSurfaceRgb = themeOklchToRgb(accentSurface);
 const messageSurface = surfaceAt(dark ? 0.16 : 0.1, Math.min(0.13, accent.C * 0.6));
Expand All@@ -958,6 +961,8 @@ export function createVividThemeColors(
 themeRgbToHexColor(
 themeOklchToRgb(solveOklchLightness(textBase, surfaceRgb, 4.6, dark ? "lighter" : "darker")),
 );
 const mutedForeground = foregroundOn(mutedRgb);
 const placeholder = foregroundOn(surfaceRaisedRgb);

 const actionHover: ThemeOklch = { ...action, L: action.L + (dark ? 0.06 : -0.06) };

Expand DownExpand Up@@ -986,8 +991,8 @@ export function createVividThemeColors(
 secondary: hex(secondary),
 secondaryForeground: foregroundOn(secondaryRgb),
 muted: hex(muted),
 mutedForeground: themeRgbToHexColor(textMutedRgb),
 placeholder: themeRgbToHexColor(textMutedRgb),
 mutedForeground,
 placeholder,
 secondaryLabel: themeRgbToHexColor(textMutedRgb),
 iconMuted: themeRgbToHexColor(textMutedRgb),
 update: themeRgbToHexColor(accentRgb),
Expand DownExpand Up@@ -1174,6 +1179,8 @@ export function createManagedThemeColors(
 const surfaceOverlay = mixThemeRgbColors(canvas, text, appearance === "dark" ? 0.18 : 0.06);
 const secondary = mixThemeRgbColors(canvas, accent, appearance === "dark" ? 0.2 : 0.08);
 const muted = mixThemeRgbColors(canvas, accent, appearance === "dark" ? 0.13 : 0.06);
 const mutedForeground = readableThemeText(muted, text, 1, 4.6);
 const placeholder = readableThemeText(surfaceRaised, text, 1, 4.6);
 const accentSurface = mixThemeRgbColors(canvas, accent, appearance === "dark" ? 0.3 : 0.14);
 const messageSurface = mixThemeRgbColors(canvas, accent, appearance === "dark" ? 0.36 : 0.18);
 const toolbarControl = mixThemeRgbColors(chrome, accent, appearance === "dark" ? 0.2 : 0.08);
Expand DownExpand Up@@ -1244,8 +1251,8 @@ export function createManagedThemeColors(
 secondary: themeRgbToHexColor(secondary),
 secondaryForeground: themeRgbToHexColor(readableThemeForeground(secondary)),
 muted: themeRgbToHexColor(muted),
 mutedForeground: themeRgbToHexColor(textMuted),
 placeholder: themeRgbToHexColor(textMuted),
 mutedForeground: themeRgbToHexColor(mutedForeground),
 placeholder: themeRgbToHexColor(placeholder),
 secondaryLabel: themeRgbToHexColor(textMuted),
 iconMuted: themeRgbToHexColor(textMuted),
 accentSurface: themeRgbToHexColor(accentSurface),
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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fix(web): improve built-in theme contrast#6000

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maria-rcks
merged 1 commit into

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Aug 10, 2026
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fix(web): improve built-in theme contrast
#6000
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4 changes: 2 additions & 2 deletions
apps/web/index.html

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Original file line numberDiff line numberDiff line change
Expand Up@@ -37,7 +37,7 @@
 light: {
 background: "#fdf7fd",
 foreground: "#501854",
 accent: "#e33f86",
 accent: "#db2777",
 chrome: "#fdf7fd",
 },
 dark: {
Expand All@@ -54,7 +54,7 @@
 light: {
 background: "#fdf7fd",
 foreground: "#501854",
 accent: "#e33f86",
 accent: "#db2777",
 chrome: "#fdf7fd",
 },
 dark: {
Expand Down

2 changes: 1 addition & 1 deletion
apps/web/src/components/chat/ModelPickerSidebar.tsx

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Original file line numberDiff line numberDiff line change
Expand Up@@ -29,7 +29,7 @@ const SELECTED_INDICATOR_CLASS =
 "pointer-events-none absolute -right-1 top-1/2 z-10 h-5 w-0.75 -translate-y-1/2 rounded-l-full bg-primary";
const BADGE_BASE_CLASS =
 "pointer-events-none absolute -right-0.5 top-0.5 z-10 flex size-3.5 items-center justify-center rounded-full bg-transparent shadow-sm ";
const NEW_BADGE_CLASS = `${BADGE_BASE_CLASS} text-update `;
const NEW_BADGE_CLASS = `${BADGE_BASE_CLASS} text-update-foreground `;

/** Opens toward the rail so the list stays readable (not over the model names). */
const PICKER_TOOLTIP_SIDE = "left" as const;
Expand Down

2 changes: 1 addition & 1 deletion
apps/web/src/components/settings/ProviderInstanceCard.tsx

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Original file line numberDiff line numberDiff line change
Expand Up@@ -619,7 +619,7 @@ export function ProviderInstanceCard({
 "size-5 rounded-sm p-0",
 versionAdvisory.emphasis === "strong"
 ? "text-warning hover:text-warning"
 : "text-update hover:text-update",
 : "text-update-foreground hover:text-update-foreground",
 )}
 aria-label="Update available — view details"
 >
Expand Down

3 changes: 3 additions & 0 deletions
apps/web/src/components/settings/themeInspector.test.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -31,6 +31,9 @@ describe("changedThemePaintKinds", () => {
describe("themeRoleFromUtilityClass", () => {
 it("maps semantic utilities to their actual palette role", () => {
 expect(themeRoleFromUtilityClass("text-foreground", "foreground")).toBe("text");
 expect(themeRoleFromUtilityClass("text-muted-foreground", "foreground")).toBe(
 "mutedForeground",
 );
 expect(themeRoleFromUtilityClass("bg-primary/90", "background")).toBe("messageAction");
 expect(themeRoleFromUtilityClass("ring-ring", "border")).toBe("focus");
 });
Expand Down

2 changes: 1 addition & 1 deletion
apps/web/src/components/settings/themeInspector.ts

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -38,7 +38,7 @@ const THEME_UTILITY_ROLES: Readonly<Partial<Record<string, ThemeColorRole>>> = {
 secondary: "secondary",
 "secondary-foreground": "secondaryForeground",
 muted: "muted",
 "muted-foreground": "textMuted",
 "muted-foreground": "mutedForeground",
 placeholder: "placeholder",
 "secondary-label": "secondaryLabel",
 "icon-muted": "iconMuted",
Expand Down

10 changes: 5 additions & 5 deletions
apps/web/src/index.css

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -899,7 +899,7 @@ html[data-mobile-composer-route-transition="true"]::view-transition-old(t3-mobil
 --destructive: var(--error);
 --border: var(--color-zinc-200);
 --input: var(--color-zinc-300);
 --ring: oklch(0.488 0.217 264);
 --ring: var(--primary);
 --destructive-foreground: var(--error-foreground);
 --info: var(--color-blue-500);
 --info-foreground: var(--color-blue-700);
Expand DownExpand Up@@ -943,7 +943,7 @@ html[data-mobile-composer-route-transition="true"]::view-transition-old(t3-mobil
 --card-foreground: var(--color-neutral-100);
 --popover: color-mix(in srgb, var(--background) 94%, var(--color-white));
 --popover-foreground: var(--color-neutral-100);
 --primary: oklch(0.588 0.217 264);
 --primary: oklch(0.571 0.21 264);
 --primary-foreground: var(--color-white);
 --secondary: --alpha(var(--color-white) / 4%);
 --secondary-foreground: var(--color-neutral-100);
Expand All@@ -965,7 +965,7 @@ html[data-mobile-composer-route-transition="true"]::view-transition-old(t3-mobil
 --destructive: var(--error);
 --border: --alpha(var(--color-white) / 6%);
 --input: --alpha(var(--color-white) / 8%);
 --ring: oklch(0.588 0.217 264);
 --ring: var(--primary);
Comment thread
cursor[bot] marked this conversation as resolved.

 --destructive-foreground: var(--error-foreground);
 --info: var(--color-blue-500);
 --info-foreground: var(--color-blue-400);
Expand DownExpand Up@@ -1076,7 +1076,7 @@ html.dark[data-theme-id] {
 --secondary: var(--app-theme-secondary);
 --secondary-foreground: var(--app-theme-secondary-foreground);
 --muted: var(--app-theme-muted);
 --muted-foreground: var(--app-theme-text-muted);
 --muted-foreground: var(--app-theme-muted-foreground);
Comment thread
cursor[bot] marked this conversation as resolved.

 --placeholder: var(--app-theme-placeholder);
 --secondary-label: var(--app-theme-secondary-label);
 --icon-muted: var(--app-theme-icon-muted);
Expand DownExpand Up@@ -1326,7 +1326,7 @@ html[data-theme-id] [data-app-sidebar] {
 --accent: var(--app-theme-accent-surface);
 --accent-foreground: var(--app-theme-accent-surface-foreground);
 --muted: var(--app-theme-muted);
 --muted-foreground: var(--app-theme-text-muted);
 --muted-foreground: var(--app-theme-muted-foreground);
 --border: var(--app-theme-border);
 --input: var(--app-theme-input);
 --sidebar: var(--app-theme-sidebar);
Expand Down

21 changes: 13 additions & 8 deletions
apps/web/src/themePalette.test.ts

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -113,6 +113,8 @@ describe("theme files", () => {
 expect(contrastRatio(colors.text, colors.canvas)).toBeGreaterThanOrEqual(7);
 expect(contrastRatio(colors.textMuted, colors.canvas)).toBeGreaterThanOrEqual(4.5);
 expect(contrastRatio(colors.textMuted, colors.canvas)).toBeLessThan(5.5);
 expect(contrastRatio(colors.mutedForeground, colors.muted)).toBeGreaterThanOrEqual(4.5);
 expect(contrastRatio(colors.placeholder, colors.surfaceRaised)).toBeGreaterThanOrEqual(4.5);
 expect(colors.secondaryLabel).toBe(colors.textMuted);
 expect(contrastRatio(colors.accentForeground, colors.accent)).toBeGreaterThanOrEqual(4.5);
 expect(
Expand DownExpand Up@@ -169,7 +171,7 @@ describe("theme files", () => {
 colors: {
 canvas: "#07152f",
 accent: "#67c2ff",
 placeholder: "#8f8699",
 placeholder: "#968d9f",
 },
 });
 });
Expand DownExpand Up@@ -315,9 +317,7 @@ describe("theme files", () => {
 4.5,
 );
 expect(contrastRatio(colors.sidebarForeground, colors.sidebar)).toBeGreaterThanOrEqual(4.5);
 // The live light primary is intended for filled controls and clears the
 // non-text UI-component threshold rather than normal-text AA.
 expect(contrastRatio(colors.accentForeground, colors.accent)).toBeGreaterThanOrEqual(3);
 expect(contrastRatio(colors.accentForeground, colors.accent)).toBeGreaterThanOrEqual(4.5);
 }
 });

Expand All@@ -340,9 +340,7 @@ describe("theme files", () => {
 1,
 );
 }
 expect(contrastRatio(colors!.accentForeground, colors!.accent)).toBeGreaterThanOrEqual(
 theme === T3_CHAT_THEME ? 3 : 4.5,
 );
 expect(contrastRatio(colors!.accentForeground, colors!.accent)).toBeGreaterThanOrEqual(4.5);
 expect(
 contrastRatio(colors!.toolbarControlForeground, colors!.toolbarControl),
 ).toBeGreaterThanOrEqual(4.5);
Expand All@@ -351,7 +349,14 @@ describe("theme files", () => {
 ).toBeGreaterThanOrEqual(4.5);
 expect(
 contrastRatio(colors!.messageActionForeground, colors!.messageAction),
 ).toBeGreaterThanOrEqual(theme === T3_CHAT_THEME ? 3 : 4.5);
 ).toBeGreaterThanOrEqual(4.5);
 expect(
 contrastRatio(colors!.messageActionForeground, colors!.messageActionHover),
 ).toBeGreaterThanOrEqual(4.5);
 expect(contrastRatio(colors!.mutedForeground, colors!.muted)).toBeGreaterThanOrEqual(4.5);
 expect(contrastRatio(colors!.placeholder, colors!.surfaceRaised)).toBeGreaterThanOrEqual(
 4.5,
 );
 }
 }
 });
Expand Down

43 changes: 25 additions & 18 deletions
apps/web/src/themePalette.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -325,6 +325,7 @@ function legacyThemeMode(theme: ThemePreference): ThemeAppearance | null {
// Measured from the live t3.chat default theme. Translucent chat surfaces are
// flattened over --chat-background so this opaque palette reproduces the
// pixels users see after T3 Chat's blur and noise layers are composited.
// Foreground pairs deviate where necessary to keep normal text at WCAG AA.
const T3_CHAT_LIGHT_COLORS: ThemeColors = {
 canvas: "#fdf7fd",
 // T3 Code's workspace header belongs to the chat panel, so keep it seamless
Expand All@@ -346,31 +347,31 @@ const T3_CHAT_LIGHT_COLORS: ThemeColors = {
 border: "#eee1ed",
 input: "#e7c1dc",
 focus: "#db2777",
 accent: "#e33f86",
 accent: "#db2777",
 accentForeground: "#ffffff",
 secondary: "#f1c4e6",
 secondaryForeground: "#77347c",
 muted: "#eaa7cb",
 mutedForeground: "#ac1668",
 placeholder: "#ad83b0",
 mutedForeground: "#8d1255",
 placeholder: "#8b5f90",
 secondaryLabel: "#ac1668",
 iconMuted: "#ac1668",
 error: "#f7086c",
 errorForeground: "#9d174d",
 errorSurface: "#fde4f1",
 warning: "#f59e0b",
 warningForeground: "#b45309",
 warningForeground: "#b05109",
 warningSurface: "#fcf0ea",
 update: "#e33f86",
 update: "#db2777",
 updateForeground: "#ac1668",
 updateSurface: "#fadfef",
 accentSurface: "#f3e6f5",
 accentSurfaceForeground: "#454554",
 messageSurface: "#f7def2",
 messageForeground: "#492c61",
 messageAction: "#e33f86",
 messageAction: "#db2777",
 messageActionForeground: "#ffffff",
 messageActionHover: "#d56698",
 messageActionHover: "#c12269",
 // T3 Chat uses a light lavender code surface in light mode. Keeping the
 // dark plum pair here also leaked the dark palette into T3 Code's diffs.
 codeBackground: "#f5ecf9",
Expand DownExpand Up@@ -422,7 +423,7 @@ const T3_CHAT_DARK_COLORS: ThemeColors = {
 secondaryForeground: "#d4c7e1",
 muted: "#423a45",
 mutedForeground: "#e7d0dd",
 placeholder: "#8f8699",
 placeholder: "#968d9f",
 secondaryLabel: "#e7d0dd",
 iconMuted: "#d4c7e1",
 error: "#9d174d",
Expand DownExpand Up@@ -549,8 +550,8 @@ const T3_CODE_DARK_THEME_COLORS: ThemeColors = {
 textMuted: "#818181",
 border: "#191919",
 input: "#1e1e1e",
 focus: "#366ffb",
 accent: "#366ffb",
 focus: "#346bf1",
 accent: "#346bf1",
 accentForeground: "#ffffff",
 secondary: "#141414",
 secondaryForeground: "#f5f5f5",
Expand All@@ -565,16 +566,16 @@ const T3_CODE_DARK_THEME_COLORS: ThemeColors = {
 warning: "#fe9a00",
 warningForeground: "#ffb900",
 warningSurface: "#312108",
 update: "#366ffb",
 update: "#346bf1",
 updateForeground: "#51a2ff",
 updateSurface: "#121c35",
 updateSurface: "#121b34",
 accentSurface: "#141414",
 accentSurfaceForeground: "#f5f5f5",
 messageSurface: "#141414",
 messageForeground: "#f5f5f5",
 messageAction: "#366ffb",
 messageAction: "#346bf1",
 messageActionForeground: "#ffffff",
 messageActionHover: "#3265e3",
 messageActionHover: "#3061d9",
 codeBackground: "#111111",
 codeForeground: "#f5f5f5",
 sidebar: "#000000",
Expand DownExpand Up@@ -941,12 +942,14 @@ export function createVividThemeColors(
 const sidebarRgb = themeOklchToRgb(sidebar);
 const surface = surfaceAt(0.015);
 const surfaceRaised = surfaceAt(0.05);
 const surfaceRaisedRgb = themeOklchToRgb(surfaceRaised);
 const surfaceOverlay = surfaceAt(0.075);
 const border = surfaceAt(dark ? 0.16 : 0.12, Math.min(0.07, accent.C * 0.35));
 const input = surfaceAt(dark ? 0.21 : 0.16, Math.min(0.08, accent.C * 0.4));
 const secondary = surfaceAt(dark ? 0.1 : 0.06, Math.min(0.09, accent.C * 0.5));
 const secondaryRgb = themeOklchToRgb(secondary);
 const muted = surfaceAt(dark ? 0.06 : 0.04, Math.min(0.06, accent.C * 0.35));
 const mutedRgb = themeOklchToRgb(muted);
 const accentSurface = surfaceAt(dark ? 0.13 : 0.08, Math.min(0.11, accent.C * 0.55));
 const accentSurfaceRgb = themeOklchToRgb(accentSurface);
 const messageSurface = surfaceAt(dark ? 0.16 : 0.1, Math.min(0.13, accent.C * 0.6));
Expand All@@ -958,6 +961,8 @@ export function createVividThemeColors(
 themeRgbToHexColor(
 themeOklchToRgb(solveOklchLightness(textBase, surfaceRgb, 4.6, dark ? "lighter" : "darker")),
 );
 const mutedForeground = foregroundOn(mutedRgb);
 const placeholder = foregroundOn(surfaceRaisedRgb);

 const actionHover: ThemeOklch = { ...action, L: action.L + (dark ? 0.06 : -0.06) };

Expand DownExpand Up@@ -986,8 +991,8 @@ export function createVividThemeColors(
 secondary: hex(secondary),
 secondaryForeground: foregroundOn(secondaryRgb),
 muted: hex(muted),
 mutedForeground: themeRgbToHexColor(textMutedRgb),
 placeholder: themeRgbToHexColor(textMutedRgb),
 mutedForeground,
 placeholder,
 secondaryLabel: themeRgbToHexColor(textMutedRgb),
 iconMuted: themeRgbToHexColor(textMutedRgb),
 update: themeRgbToHexColor(accentRgb),
Expand DownExpand Up@@ -1174,6 +1179,8 @@ export function createManagedThemeColors(
 const surfaceOverlay = mixThemeRgbColors(canvas, text, appearance === "dark" ? 0.18 : 0.06);
 const secondary = mixThemeRgbColors(canvas, accent, appearance === "dark" ? 0.2 : 0.08);
 const muted = mixThemeRgbColors(canvas, accent, appearance === "dark" ? 0.13 : 0.06);
 const mutedForeground = readableThemeText(muted, text, 1, 4.6);
 const placeholder = readableThemeText(surfaceRaised, text, 1, 4.6);
 const accentSurface = mixThemeRgbColors(canvas, accent, appearance === "dark" ? 0.3 : 0.14);
 const messageSurface = mixThemeRgbColors(canvas, accent, appearance === "dark" ? 0.36 : 0.18);
 const toolbarControl = mixThemeRgbColors(chrome, accent, appearance === "dark" ? 0.2 : 0.08);
Expand DownExpand Up@@ -1244,8 +1251,8 @@ export function createManagedThemeColors(
 secondary: themeRgbToHexColor(secondary),
 secondaryForeground: themeRgbToHexColor(readableThemeForeground(secondary)),
 muted: themeRgbToHexColor(muted),
 mutedForeground: themeRgbToHexColor(textMuted),
 placeholder: themeRgbToHexColor(textMuted),
 mutedForeground: themeRgbToHexColor(mutedForeground),
 placeholder: themeRgbToHexColor(placeholder),
 secondaryLabel: themeRgbToHexColor(textMuted),
 iconMuted: themeRgbToHexColor(textMuted),
 accentSurface: themeRgbToHexColor(accentSurface),
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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fix(web): improve built-in theme contrast#6000

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 Merged

maria-rcks
merged 1 commit into

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Aug 10, 2026
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fix(web): improve built-in theme contrast
#6000
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4 changes: 2 additions & 2 deletions
apps/web/index.html

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Original file line numberDiff line numberDiff line change
Expand Up@@ -37,7 +37,7 @@
 light: {
 background: "#fdf7fd",
 foreground: "#501854",
 accent: "#e33f86",
 accent: "#db2777",
 chrome: "#fdf7fd",
 },
 dark: {
Expand All@@ -54,7 +54,7 @@
 light: {
 background: "#fdf7fd",
 foreground: "#501854",
 accent: "#e33f86",
 accent: "#db2777",
 chrome: "#fdf7fd",
 },
 dark: {
Expand Down

2 changes: 1 addition & 1 deletion
apps/web/src/components/chat/ModelPickerSidebar.tsx

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Original file line numberDiff line numberDiff line change
Expand Up@@ -29,7 +29,7 @@ const SELECTED_INDICATOR_CLASS =
 "pointer-events-none absolute -right-1 top-1/2 z-10 h-5 w-0.75 -translate-y-1/2 rounded-l-full bg-primary";
const BADGE_BASE_CLASS =
 "pointer-events-none absolute -right-0.5 top-0.5 z-10 flex size-3.5 items-center justify-center rounded-full bg-transparent shadow-sm ";
const NEW_BADGE_CLASS = `${BADGE_BASE_CLASS} text-update `;
const NEW_BADGE_CLASS = `${BADGE_BASE_CLASS} text-update-foreground `;

/** Opens toward the rail so the list stays readable (not over the model names). */
const PICKER_TOOLTIP_SIDE = "left" as const;
Expand Down

2 changes: 1 addition & 1 deletion
apps/web/src/components/settings/ProviderInstanceCard.tsx

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Original file line numberDiff line numberDiff line change
Expand Up@@ -619,7 +619,7 @@ export function ProviderInstanceCard({
 "size-5 rounded-sm p-0",
 versionAdvisory.emphasis === "strong"
 ? "text-warning hover:text-warning"
 : "text-update hover:text-update",
 : "text-update-foreground hover:text-update-foreground",
 )}
 aria-label="Update available — view details"
 >
Expand Down

3 changes: 3 additions & 0 deletions
apps/web/src/components/settings/themeInspector.test.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -31,6 +31,9 @@ describe("changedThemePaintKinds", () => {
describe("themeRoleFromUtilityClass", () => {
 it("maps semantic utilities to their actual palette role", () => {
 expect(themeRoleFromUtilityClass("text-foreground", "foreground")).toBe("text");
 expect(themeRoleFromUtilityClass("text-muted-foreground", "foreground")).toBe(
 "mutedForeground",
 );
 expect(themeRoleFromUtilityClass("bg-primary/90", "background")).toBe("messageAction");
 expect(themeRoleFromUtilityClass("ring-ring", "border")).toBe("focus");
 });
Expand Down

2 changes: 1 addition & 1 deletion
apps/web/src/components/settings/themeInspector.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -38,7 +38,7 @@ const THEME_UTILITY_ROLES: Readonly<Partial<Record<string, ThemeColorRole>>> = {
 secondary: "secondary",
 "secondary-foreground": "secondaryForeground",
 muted: "muted",
 "muted-foreground": "textMuted",
 "muted-foreground": "mutedForeground",
 placeholder: "placeholder",
 "secondary-label": "secondaryLabel",
 "icon-muted": "iconMuted",
Expand Down

10 changes: 5 additions & 5 deletions
apps/web/src/index.css

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Original file line numberDiff line numberDiff line change
Expand Up@@ -899,7 +899,7 @@ html[data-mobile-composer-route-transition="true"]::view-transition-old(t3-mobil
 --destructive: var(--error);
 --border: var(--color-zinc-200);
 --input: var(--color-zinc-300);
 --ring: oklch(0.488 0.217 264);
 --ring: var(--primary);
 --destructive-foreground: var(--error-foreground);
 --info: var(--color-blue-500);
 --info-foreground: var(--color-blue-700);
Expand DownExpand Up@@ -943,7 +943,7 @@ html[data-mobile-composer-route-transition="true"]::view-transition-old(t3-mobil
 --card-foreground: var(--color-neutral-100);
 --popover: color-mix(in srgb, var(--background) 94%, var(--color-white));
 --popover-foreground: var(--color-neutral-100);
 --primary: oklch(0.588 0.217 264);
 --primary: oklch(0.571 0.21 264);
 --primary-foreground: var(--color-white);
 --secondary: --alpha(var(--color-white) / 4%);
 --secondary-foreground: var(--color-neutral-100);
Expand All@@ -965,7 +965,7 @@ html[data-mobile-composer-route-transition="true"]::view-transition-old(t3-mobil
 --destructive: var(--error);
 --border: --alpha(var(--color-white) / 6%);
 --input: --alpha(var(--color-white) / 8%);
 --ring: oklch(0.588 0.217 264);
 --ring: var(--primary);
Comment thread
cursor[bot] marked this conversation as resolved.

 --destructive-foreground: var(--error-foreground);
 --info: var(--color-blue-500);
 --info-foreground: var(--color-blue-400);
Expand DownExpand Up@@ -1076,7 +1076,7 @@ html.dark[data-theme-id] {
 --secondary: var(--app-theme-secondary);
 --secondary-foreground: var(--app-theme-secondary-foreground);
 --muted: var(--app-theme-muted);
 --muted-foreground: var(--app-theme-text-muted);
 --muted-foreground: var(--app-theme-muted-foreground);
Comment thread
cursor[bot] marked this conversation as resolved.

 --placeholder: var(--app-theme-placeholder);
 --secondary-label: var(--app-theme-secondary-label);
 --icon-muted: var(--app-theme-icon-muted);
Expand DownExpand Up@@ -1326,7 +1326,7 @@ html[data-theme-id] [data-app-sidebar] {
 --accent: var(--app-theme-accent-surface);
 --accent-foreground: var(--app-theme-accent-surface-foreground);
 --muted: var(--app-theme-muted);
 --muted-foreground: var(--app-theme-text-muted);
 --muted-foreground: var(--app-theme-muted-foreground);
 --border: var(--app-theme-border);
 --input: var(--app-theme-input);
 --sidebar: var(--app-theme-sidebar);
Expand Down

21 changes: 13 additions & 8 deletions
apps/web/src/themePalette.test.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -113,6 +113,8 @@ describe("theme files", () => {
 expect(contrastRatio(colors.text, colors.canvas)).toBeGreaterThanOrEqual(7);
 expect(contrastRatio(colors.textMuted, colors.canvas)).toBeGreaterThanOrEqual(4.5);
 expect(contrastRatio(colors.textMuted, colors.canvas)).toBeLessThan(5.5);
 expect(contrastRatio(colors.mutedForeground, colors.muted)).toBeGreaterThanOrEqual(4.5);
 expect(contrastRatio(colors.placeholder, colors.surfaceRaised)).toBeGreaterThanOrEqual(4.5);
 expect(colors.secondaryLabel).toBe(colors.textMuted);
 expect(contrastRatio(colors.accentForeground, colors.accent)).toBeGreaterThanOrEqual(4.5);
 expect(
Expand DownExpand Up@@ -169,7 +171,7 @@ describe("theme files", () => {
 colors: {
 canvas: "#07152f",
 accent: "#67c2ff",
 placeholder: "#8f8699",
 placeholder: "#968d9f",
 },
 });
 });
Expand DownExpand Up@@ -315,9 +317,7 @@ describe("theme files", () => {
 4.5,
 );
 expect(contrastRatio(colors.sidebarForeground, colors.sidebar)).toBeGreaterThanOrEqual(4.5);
 // The live light primary is intended for filled controls and clears the
 // non-text UI-component threshold rather than normal-text AA.
 expect(contrastRatio(colors.accentForeground, colors.accent)).toBeGreaterThanOrEqual(3);
 expect(contrastRatio(colors.accentForeground, colors.accent)).toBeGreaterThanOrEqual(4.5);
 }
 });

Expand All@@ -340,9 +340,7 @@ describe("theme files", () => {
 1,
 );
 }
 expect(contrastRatio(colors!.accentForeground, colors!.accent)).toBeGreaterThanOrEqual(
 theme === T3_CHAT_THEME ? 3 : 4.5,
 );
 expect(contrastRatio(colors!.accentForeground, colors!.accent)).toBeGreaterThanOrEqual(4.5);
 expect(
 contrastRatio(colors!.toolbarControlForeground, colors!.toolbarControl),
 ).toBeGreaterThanOrEqual(4.5);
Expand All@@ -351,7 +349,14 @@ describe("theme files", () => {
 ).toBeGreaterThanOrEqual(4.5);
 expect(
 contrastRatio(colors!.messageActionForeground, colors!.messageAction),
 ).toBeGreaterThanOrEqual(theme === T3_CHAT_THEME ? 3 : 4.5);
 ).toBeGreaterThanOrEqual(4.5);
 expect(
 contrastRatio(colors!.messageActionForeground, colors!.messageActionHover),
 ).toBeGreaterThanOrEqual(4.5);
 expect(contrastRatio(colors!.mutedForeground, colors!.muted)).toBeGreaterThanOrEqual(4.5);
 expect(contrastRatio(colors!.placeholder, colors!.surfaceRaised)).toBeGreaterThanOrEqual(
 4.5,
 );
 }
 }
 });
Expand Down

43 changes: 25 additions & 18 deletions
apps/web/src/themePalette.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -325,6 +325,7 @@ function legacyThemeMode(theme: ThemePreference): ThemeAppearance | null {
// Measured from the live t3.chat default theme. Translucent chat surfaces are
// flattened over --chat-background so this opaque palette reproduces the
// pixels users see after T3 Chat's blur and noise layers are composited.
// Foreground pairs deviate where necessary to keep normal text at WCAG AA.
const T3_CHAT_LIGHT_COLORS: ThemeColors = {
 canvas: "#fdf7fd",
 // T3 Code's workspace header belongs to the chat panel, so keep it seamless
Expand All@@ -346,31 +347,31 @@ const T3_CHAT_LIGHT_COLORS: ThemeColors = {
 border: "#eee1ed",
 input: "#e7c1dc",
 focus: "#db2777",
 accent: "#e33f86",
 accent: "#db2777",
 accentForeground: "#ffffff",
 secondary: "#f1c4e6",
 secondaryForeground: "#77347c",
 muted: "#eaa7cb",
 mutedForeground: "#ac1668",
 placeholder: "#ad83b0",
 mutedForeground: "#8d1255",
 placeholder: "#8b5f90",
 secondaryLabel: "#ac1668",
 iconMuted: "#ac1668",
 error: "#f7086c",
 errorForeground: "#9d174d",
 errorSurface: "#fde4f1",
 warning: "#f59e0b",
 warningForeground: "#b45309",
 warningForeground: "#b05109",
 warningSurface: "#fcf0ea",
 update: "#e33f86",
 update: "#db2777",
 updateForeground: "#ac1668",
 updateSurface: "#fadfef",
 accentSurface: "#f3e6f5",
 accentSurfaceForeground: "#454554",
 messageSurface: "#f7def2",
 messageForeground: "#492c61",
 messageAction: "#e33f86",
 messageAction: "#db2777",
 messageActionForeground: "#ffffff",
 messageActionHover: "#d56698",
 messageActionHover: "#c12269",
 // T3 Chat uses a light lavender code surface in light mode. Keeping the
 // dark plum pair here also leaked the dark palette into T3 Code's diffs.
 codeBackground: "#f5ecf9",
Expand DownExpand Up@@ -422,7 +423,7 @@ const T3_CHAT_DARK_COLORS: ThemeColors = {
 secondaryForeground: "#d4c7e1",
 muted: "#423a45",
 mutedForeground: "#e7d0dd",
 placeholder: "#8f8699",
 placeholder: "#968d9f",
 secondaryLabel: "#e7d0dd",
 iconMuted: "#d4c7e1",
 error: "#9d174d",
Expand DownExpand Up@@ -549,8 +550,8 @@ const T3_CODE_DARK_THEME_COLORS: ThemeColors = {
 textMuted: "#818181",
 border: "#191919",
 input: "#1e1e1e",
 focus: "#366ffb",
 accent: "#366ffb",
 focus: "#346bf1",
 accent: "#346bf1",
 accentForeground: "#ffffff",
 secondary: "#141414",
 secondaryForeground: "#f5f5f5",
Expand All@@ -565,16 +566,16 @@ const T3_CODE_DARK_THEME_COLORS: ThemeColors = {
 warning: "#fe9a00",
 warningForeground: "#ffb900",
 warningSurface: "#312108",
 update: "#366ffb",
 update: "#346bf1",
 updateForeground: "#51a2ff",
 updateSurface: "#121c35",
 updateSurface: "#121b34",
 accentSurface: "#141414",
 accentSurfaceForeground: "#f5f5f5",
 messageSurface: "#141414",
 messageForeground: "#f5f5f5",
 messageAction: "#366ffb",
 messageAction: "#346bf1",
 messageActionForeground: "#ffffff",
 messageActionHover: "#3265e3",
 messageActionHover: "#3061d9",
 codeBackground: "#111111",
 codeForeground: "#f5f5f5",
 sidebar: "#000000",
Expand DownExpand Up@@ -941,12 +942,14 @@ export function createVividThemeColors(
 const sidebarRgb = themeOklchToRgb(sidebar);
 const surface = surfaceAt(0.015);
 const surfaceRaised = surfaceAt(0.05);
 const surfaceRaisedRgb = themeOklchToRgb(surfaceRaised);
 const surfaceOverlay = surfaceAt(0.075);
 const border = surfaceAt(dark ? 0.16 : 0.12, Math.min(0.07, accent.C * 0.35));
 const input = surfaceAt(dark ? 0.21 : 0.16, Math.min(0.08, accent.C * 0.4));
 const secondary = surfaceAt(dark ? 0.1 : 0.06, Math.min(0.09, accent.C * 0.5));
 const secondaryRgb = themeOklchToRgb(secondary);
 const muted = surfaceAt(dark ? 0.06 : 0.04, Math.min(0.06, accent.C * 0.35));
 const mutedRgb = themeOklchToRgb(muted);
 const accentSurface = surfaceAt(dark ? 0.13 : 0.08, Math.min(0.11, accent.C * 0.55));
 const accentSurfaceRgb = themeOklchToRgb(accentSurface);
 const messageSurface = surfaceAt(dark ? 0.16 : 0.1, Math.min(0.13, accent.C * 0.6));
Expand All@@ -958,6 +961,8 @@ export function createVividThemeColors(
 themeRgbToHexColor(
 themeOklchToRgb(solveOklchLightness(textBase, surfaceRgb, 4.6, dark ? "lighter" : "darker")),
 );
 const mutedForeground = foregroundOn(mutedRgb);
 const placeholder = foregroundOn(surfaceRaisedRgb);

 const actionHover: ThemeOklch = { ...action, L: action.L + (dark ? 0.06 : -0.06) };

Expand DownExpand Up@@ -986,8 +991,8 @@ export function createVividThemeColors(
 secondary: hex(secondary),
 secondaryForeground: foregroundOn(secondaryRgb),
 muted: hex(muted),
 mutedForeground: themeRgbToHexColor(textMutedRgb),
 placeholder: themeRgbToHexColor(textMutedRgb),
 mutedForeground,
 placeholder,
 secondaryLabel: themeRgbToHexColor(textMutedRgb),
 iconMuted: themeRgbToHexColor(textMutedRgb),
 update: themeRgbToHexColor(accentRgb),
Expand DownExpand Up@@ -1174,6 +1179,8 @@ export function createManagedThemeColors(
 const surfaceOverlay = mixThemeRgbColors(canvas, text, appearance === "dark" ? 0.18 : 0.06);
 const secondary = mixThemeRgbColors(canvas, accent, appearance === "dark" ? 0.2 : 0.08);
 const muted = mixThemeRgbColors(canvas, accent, appearance === "dark" ? 0.13 : 0.06);
 const mutedForeground = readableThemeText(muted, text, 1, 4.6);
 const placeholder = readableThemeText(surfaceRaised, text, 1, 4.6);
 const accentSurface = mixThemeRgbColors(canvas, accent, appearance === "dark" ? 0.3 : 0.14);
 const messageSurface = mixThemeRgbColors(canvas, accent, appearance === "dark" ? 0.36 : 0.18);
 const toolbarControl = mixThemeRgbColors(chrome, accent, appearance === "dark" ? 0.2 : 0.08);
Expand DownExpand Up@@ -1244,8 +1251,8 @@ export function createManagedThemeColors(
 secondary: themeRgbToHexColor(secondary),
 secondaryForeground: themeRgbToHexColor(readableThemeForeground(secondary)),
 muted: themeRgbToHexColor(muted),
 mutedForeground: themeRgbToHexColor(textMuted),
 placeholder: themeRgbToHexColor(textMuted),
 mutedForeground: themeRgbToHexColor(mutedForeground),
 placeholder: themeRgbToHexColor(placeholder),
 secondaryLabel: themeRgbToHexColor(textMuted),
 iconMuted: themeRgbToHexColor(textMuted),
 accentSurface: themeRgbToHexColor(accentSurface),
Expand Down
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