PickShade MCP 服务器
为 Claude、Cursor、VS Code 等 AI 助手提供真正的颜色工具:精确转换、WCAG 和 APCA 对比度、配色、50–950 色阶、色盲检查和现成的设计令牌。只需一个 URL,无需安装。
服务器 URL
https://pickshade.com/api/mcp连接你的助手
在终端中运行。
Claude Code
claude mcp add --transport http pickshade https://pickshade.com/api/mcp设置 → 连接器 → 添加自定义连接器,然后粘贴 URL。
Claude 和 Claude Desktop
https://pickshade.com/api/mcp添加到 .cursor/mcp.json。
Cursor
{
"mcpServers": {
"pickshade": {
"url": "https://pickshade.com/api/mcp"
}
}
}添加到 .vscode/mcp.json。
VS Code
{
"servers": {
"pickshade": {
"type": "http",
"url": "https://pickshade.com/api/mcp"
}
}
}可以这样问
- #6b7280 放在白色上看得清吗?看不清的话帮我修正。
- 用 #6d4aff 生成一套 shadcn 主题。
- 以 navy 为中心生成 5 色类似色配色,并导出为 Tailwind v4。
- 绿色色弱的人能分清 #e11d48 和 #16a34a 吗?
- 和 oklch(62% 0.21 260) 最接近的 Tailwind 类是哪个?
工具
parse_colorRead any color and describe it: HEX, RGB, HSL and OKLCH values, the closest human name, the closest Tailwind class, its hue family, whether it fits sRGB and Display P3, and which text color, white or black, reads better on it.
convert_colorConvert a color between formats: hex, rgb, hsl, hsv, hwb, cmyk, lab, lch, oklab, oklch, display-p3, rec2020, xyz and platform code (swiftui, uikit, flutter, android). Values follow CSS Color 4.
find_colorsSearch color names by words, like "sage", "dusty rose", "midnight blue" or "бордовый", and get their HEX values. Searches common names in English and Russian and about 30 000 extended color names. Use it to turn a description into real colors.
check_contrastCheck text contrast against a background with both WCAG 2 (ratio, AA and AAA for normal and large text) and APCA (Lc value and the usage level it allows). Also suggests the nearest text color that passes AA and AAA while keeping its hue.
fix_contrastFind the closest color that reaches a contrast target by changing only OKLCH lightness, so the hue and character stay. Targets: aa (4.5:1), aa-large (3:1), aaa (7:1), apca-body (Lc 75), apca-content (Lc 60), apca-large (Lc 45). Adjust the text color or the background.
audit_paletteCheck every text and background pair in a palette with WCAG 2 and APCA, list which pairs are safe for body text, large text or only decoration, find colors that people with color blindness cannot tell apart, and flag colors outside sRGB. Use it before shipping a theme or chart palette.
check_gamutCheck whether a color fits the sRGB, Display P3 and Rec. 2020 gamuts, and get the closest sRGB fallback that keeps lightness and hue (CSS Color 4 gamut mapping in OKLCH).
nearest_namesFind the closest named colors, CSS color keywords and Tailwind CSS classes for a color, ranked by perceptual distance (deltaE OK).
compare_colorsCompare two colors: CIEDE2000 and deltaE OK difference with a plain verdict (identical, nearly, similar, different, opposite), lightness shift in percent, chroma and hue shift, and the contrast between them.
generate_scaleBuild an 11-step tint and shade scale (50, 100 … 900, 950) from one color in OKLCH, the same shape as Tailwind palettes, with even perceived lightness steps.
tints_shadesGet tints (mixed with white), shades (mixed with black) and tones (mixed with gray) of a color, evenly spaced, as HEX. Good for hover states, borders and backgrounds.
harmoniesGet color harmonies for a base color, computed in OKLCH so lightness stays even: complementary, split-complementary, analogous, triadic, tetradic, square and monochromatic.
mix_colorsMix two colors at a ratio in a chosen color space, like CSS color-mix(). OKLab keeps the middle bright, sRGB tends to turn gray. Returns the result and a ready color-mix() expression.
make_gradientBuild a CSS gradient from 2 or more colors with interpolation in OKLab, OKLCH or sRGB. Returns modern CSS with the color space, a fallback with precomputed stops for older browsers, and the stop colors. OKLab avoids the gray middle that sRGB gradients get.
generate_paletteGenerate a harmonious palette in OKLCH. Keep colors you already have, pick a style (auto, analogous, complementary, triadic, monochromatic, pastel, vivid, muted, dark) and pass a seed to get the same palette every time.
simulate_cvdShow how colors look with protanopia, deuteranopia, tritanopia and achromatopsia (Machado 2009 at full severity), and list the pairs that become hard to tell apart.
export_tokensTurn a list of colors into ready code: CSS custom properties, a Tailwind v4 @theme block, SCSS variables, JSON, W3C design tokens (DTCG), a JavaScript array or an SVG swatch strip. Unnamed colors get their closest color name.
build_systemBuild a full color system from a brand color: 50–950 scales for primary, secondary, accent, neutral and status colors, light and dark theme roles, exported as a Tailwind v4 theme, CSS variables, shadcn/ui globals.css or DTCG tokens, with a contrast audit of text and surface pairs.
常见问题
什么是 MCP 服务器?
MCP 即模型上下文协议(Model Context Protocol),让 AI 助手可以调用外部工具。连接这个服务器后,你的助手会用精确的公式计算颜色,而不是靠猜。
免费吗?隐私有保障吗?
是的。它免费,不需要账号,每次调用都是即时计算。你发送的颜色不会被保存。
使用哪种传输方式?
无状态模式的 Streamable HTTP,当前的 MCP 客户端都支持。除不带 seed 的 generate_palette 外,所有工具都是只读且结果确定的。