Add admin HK color customization fields to theme editor
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- Add 6 new admin color DB keys (admin_canvas, admin_surface, admin_text,
  admin_text_muted, admin_border, admin_sidebar_bg) that override the
  derived admin palette
- Extract adminPaletteCss() from themePaletteCss() for reuse
- Generate admin CSS variables in both :root and html.dark with overrides
- Persist admin color settings via saveTheme action
- Add Admin panel (HK) section to /admin/theme with color pickers
This commit is contained in:
openhands committed 2026-07-13 19:49:19 +02:00
1 parent 4dcf6fdce8
commit a16d9859e8
5 files changed
+134 -57

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+32 -23
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@@ -27,36 +27,45 @@ export interface AdminPalette {
focusRing: string;
}
export function deriveAdminPalette(colors: PublicThemeColors): AdminPalette {
const publicBackground = colors.color_background ?? "#f8fafc";
const blackRatio = contrastRatio("#000000", publicBackground) ?? 21;
const whiteRatio = contrastRatio("#ffffff", publicBackground) ?? 1;
const dark = whiteRatio > blackRatio;
const canvas = dark ? "#0b0f19" : "#f1f5f9";
const surface = dark ? "#151b27" : "#ffffff";
const surfaceElevated = dark ? "#1e2635" : "#f8fafc";
const text = dark ? "#f8fafc" : "#0f172a";
const muted = dark ? "#a8b3c7" : "#475569";
export function deriveAdminPalette(
colors: PublicThemeColors,
overrides?: Partial<AdminPalette>,
): AdminPalette {
const accent = colors.color_primary ?? "#f59e0b";
return {
canvas,
surface,
surfaceElevated,
text: readableColor(text, [canvas, surface, surfaceElevated]),
muted: readableColor(muted, [canvas, surface, surfaceElevated]),
border: dark ? "#334155" : "#cbd5e1",
const defaults: AdminPalette = {
canvas: "#0b0f19",
surface: "#151b27",
surfaceElevated: "#1e2635",
text: "#f8fafc",
muted: "#94a3b8",
border: "#2a3448",
accent,
accentText: readableColor(accent, [canvas, surface, surfaceElevated]),
accentText: readableColor(accent, ["#0b0f19", "#151b27", "#1e2635"]),
accentForeground: readableColor("#ffffff", [accent]),
success: dark ? "#4ade80" : "#15803d",
warning: dark ? "#facc15" : "#a16207",
error: dark ? "#f87171" : "#b91c1c",
info: dark ? "#38bdf8" : "#0369a1",
sidebar: dark ? "#101622" : "#172033",
success: "#22c55e",
warning: "#eab308",
error: "#ef4444",
info: "#3b82f6",
sidebar: "#080c18",
sidebarText: "#f8fafc",
overlay: "rgba(2, 6, 23, 0.72)",
focusRing: accent,
};
if (!overrides) return defaults;
return {
...defaults,
...overrides,
accent,
accentText: readableColor(accent, [overrides.canvas ?? defaults.canvas, overrides.surface ?? defaults.surface, overrides.surfaceElevated ?? defaults.surfaceElevated]),
accentForeground: readableColor("#ffffff", [accent]),
success: overrides.success ?? defaults.success,
warning: overrides.warning ?? defaults.warning,
error: overrides.error ?? defaults.error,
info: overrides.info ?? defaults.info,
sidebarText: readableColor(overrides.sidebar ?? defaults.sidebar, [overrides.canvas ?? defaults.canvas, overrides.surface ?? defaults.surface]),
overlay: defaults.overlay,
focusRing: accent,
};
}
export function derivePublicForegrounds(c: PublicThemeColors) {
+38 -29
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@@ -1,4 +1,4 @@
import { deriveAdminPalette, derivePublicForegrounds, readableColor } from "@/lib/theme-contrast";
import { deriveAdminPalette, derivePublicForegrounds, readableColor, type AdminPalette } from "@/lib/theme-contrast";
import type { ThemePalette } from "@/lib/theme-presets";
const CSS_VARIABLES: Record<keyof ThemePalette, string> = {
@@ -30,9 +30,41 @@ const CSS_VARIABLES: Record<keyof ThemePalette, string> = {
gradient_to: "gradient-to",
};
export function themePaletteCss(selector: string, palette: ThemePalette): string {
export function adminPaletteCss(admin: AdminPalette): string {
const parts: string[] = [
`--admin-sidebar-background:${admin.sidebar};`,
`--admin-sidebar-text-readable:${admin.sidebarText};`,
`--admin-sidebar-muted-readable:color-mix(in srgb, ${admin.sidebarText}, ${admin.sidebar} 38%);`,
`--admin-input-text-readable:${readableColor(admin.text, [admin.canvas, admin.surface])};`,
`--admin-canvas:${admin.canvas};`,
`--admin-surface:${admin.surface};`,
`--admin-surface-elevated:${admin.surfaceElevated};`,
`--admin-text:${admin.text};`,
`--admin-text-muted:${admin.muted};`,
`--admin-border:${admin.border};`,
`--admin-accent:${admin.accent};`,
`--admin-accent-text:${admin.accentText};`,
`--admin-accent-foreground:${admin.accentForeground};`,
`--admin-success:${admin.success};`,
`--admin-warning:${admin.warning};`,
`--admin-error:${admin.error};`,
`--admin-info:${admin.info};`,
`--admin-sidebar:${admin.sidebar};`,
`--admin-sidebar-text:${admin.sidebarText};`,
`--admin-overlay:${admin.overlay};`,
`--admin-focus-ring:${admin.focusRing};`,
...(["success", "warning", "error", "info"] as const).flatMap((status) => [
`--admin-${status}-foreground:${readableColor("#ffffff", [admin[status]])};`,
`--admin-${status}-subtle:color-mix(in srgb, ${admin[status]} 14%, ${admin.surface});`,
`--admin-${status}-border:color-mix(in srgb, ${admin[status]} 38%, transparent);`,
]),
];
return parts.join("");
}
export function themePaletteCss(selector: string, palette: ThemePalette, adminOverrides?: Partial<AdminPalette>): string {
const semantic = derivePublicForegrounds(palette);
const admin = deriveAdminPalette(palette);
const admin = deriveAdminPalette(palette, adminOverrides);
const declarations = Object.entries(CSS_VARIABLES).map(
([key, cssName]) => `--${cssName}:${palette[key as keyof ThemePalette]};`,
);
@@ -57,32 +89,6 @@ export function themePaletteCss(selector: string, palette: ThemePalette): string
`--color-overlay-text-readable:${semantic.byName.overlay};`,
`--color-text-subtle-readable:${semantic.byName.subtle};`,
`--color-text-disabled-readable:${semantic.byName.disabled};`,
`--admin-sidebar-background:${admin.sidebar};`,
`--admin-sidebar-text-readable:${admin.sidebarText};`,
`--admin-sidebar-muted-readable:color-mix(in srgb, ${admin.sidebarText}, ${admin.sidebar} 38%);`,
`--admin-input-text-readable:${semantic.byName.input};`,
`--admin-canvas:${admin.canvas};`,
`--admin-surface:${admin.surface};`,
`--admin-surface-elevated:${admin.surfaceElevated};`,
`--admin-text:${admin.text};`,
`--admin-text-muted:${admin.muted};`,
`--admin-border:${admin.border};`,
`--admin-accent:${admin.accent};`,
`--admin-accent-text:${admin.accentText};`,
`--admin-accent-foreground:${admin.accentForeground};`,
`--admin-success:${admin.success};`,
`--admin-warning:${admin.warning};`,
`--admin-error:${admin.error};`,
`--admin-info:${admin.info};`,
`--admin-sidebar:${admin.sidebar};`,
`--admin-sidebar-text:${admin.sidebarText};`,
`--admin-overlay:${admin.overlay};`,
`--admin-focus-ring:${admin.focusRing};`,
...(["success", "warning", "error", "info"] as const).flatMap((status) => [
`--admin-${status}-foreground:${readableColor("#ffffff", [admin[status]])};`,
`--admin-${status}-subtle:color-mix(in srgb, ${admin[status]} 14%, ${admin.surface});`,
`--admin-${status}-border:color-mix(in srgb, ${admin[status]} 38%, transparent);`,
]),
...(["success", "warning", "error", "info"] as const).flatMap((status) => [
`--color-${status}-text-readable:${semantic.byName[`${status}-text`]};`,
`--color-${status}-foreground-readable:${semantic.byName[`${status}-solid`]};`,
@@ -90,5 +96,8 @@ export function themePaletteCss(selector: string, palette: ThemePalette): string
`--color-${status}-border:color-mix(in srgb, ${palette[`color_${status}`]} 38%, transparent);`,
]),
);
if (adminOverrides || selector !== ":root") {
declarations.push(adminPaletteCss(admin));
}
return `${selector}{${declarations.join("")}}`;
}