PickShade color tools
18 color tools: OKLCH, WCAG and APCA contrast fixes, palettes, gradients, color blindness, tokens.
我该使用它吗
质量与安全性
基于对工具定义和协议合规性的自动分析。
上下文开销
这是每次将服务器的工具加载到模型上下文窗口时所消耗的大致 token 数。数值越高，可用于其他任务的注意力就越少。
安装
一键安装
将以下内容添加到你的 `claude_desktop_config.json` 文件中：
{
"mcpServers": {
"pickshade": {
"url": "https://pickshade.com/api/mcp"
}
}
}远程端点
https://pickshade.com/api/mcpstreamable-http它能做什么
工具清单
工具（18）
🟢parse_color(color, locale)
Read 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.
输入模式
{
"type": "object",
"properties": {
"color": {
"type": "string",
"minLength": 1,
"maxLength": 120,
"description": "Any color: #ff5733, rgb(255 87 51), hsl(11 100% 60%), oklch(68% 0.21 34), a CSS or common name like navy, or a Tailwind class like sky-500"
},
"locale": {
"default": "en",
"description": "Language for color names",
"type": "string",
"enum": [
"en",
"ru"
]
}
},
"required": [
"color"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢convert_color(color, formats)
Convert a color between formats: hex, rgb, hsl, hsv, hwb, cmyk, lab, lch, oklab, oklch, display-p3, rec2020, xyz and platform code (swiftui, uikit, flutter, android). Values follow CSS Color 4.
输入模式
{
"type": "object",
"properties": {
"color": {
"type": "string",
"minLength": 1,
"maxLength": 120,
"description": "Any color: #ff5733, rgb(255 87 51), hsl(11 100% 60%), oklch(68% 0.21 34), a CSS or common name like navy, or a Tailwind class like sky-500"
},
"formats": {
"description": "Formats to return. Defaults to hex, rgb, hsl, oklch, oklab and display-p3",
"minItems": 1,
"maxItems": 21,
"type": "array",
"items": {
"type": "string",
"enum": [
"hex",
"rgb",
"hsl",
"hsv",
"hwb",
"cmyk",
"lab",
"lch",
"oklab",
"oklch",
"display-p3",
"rec2020",
"a98-rgb",
"prophoto-rgb",
"srgb-linear",
"xyz-d65",
"xyz-d50",
"swiftui",
"uikit",
"flutter",
"android"
]
}
}
},
"required": [
"color"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢find_colors(query, limit, locale)
Search 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.
输入模式
{
"type": "object",
"properties": {
"query": {
"type": "string",
"minLength": 2,
"maxLength": 60,
"description": "Words to look for in color names"
},
"limit": {
"default": 12,
"type": "integer",
"minimum": 1,
"maximum": 50
},
"locale": {
"default": "en",
"description": "Language for color names",
"type": "string",
"enum": [
"en",
"ru"
]
}
},
"required": [
"query"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢check_contrast(text, background)
Check text contrast against a background with both WCAG 2 (ratio, AA and AAA for normal and large text) and APCA (Lc value and the usage level it allows). Also suggests the nearest text color that passes AA and AAA while keeping its hue.
输入模式
{
"type": "object",
"properties": {
"text": {
"type": "string",
"minLength": 1,
"maxLength": 120,
"description": "Text or foreground color"
},
"background": {
"type": "string",
"minLength": 1,
"maxLength": 120,
"description": "Background color"
}
},
"required": [
"text",
"background"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢fix_contrast(text, background, target, adjust)
Find 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.
输入模式
{
"type": "object",
"properties": {
"text": {
"type": "string",
"minLength": 1,
"maxLength": 120,
"description": "Text or foreground color"
},
"background": {
"type": "string",
"minLength": 1,
"maxLength": 120,
"description": "Background color"
},
"target": {
"default": "aa",
"type": "string",
"enum": [
"aa",
"aa-large",
"aaa",
"apca-body",
"apca-content",
"apca-large"
]
},
"adjust": {
"default": "text",
"type": "string",
"enum": [
"text",
"background"
]
}
},
"required": [
"text",
"background"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢audit_palette(colors)
Check every text and background pair in a palette with WCAG 2 and APCA, list which pairs are safe for body text, large text or only decoration, find colors that people with color blindness cannot tell apart, and flag colors outside sRGB. Use it before shipping a theme or chart palette.
输入模式
{
"type": "object",
"properties": {
"colors": {
"minItems": 1,
"maxItems": 12,
"type": "array",
"items": {
"type": "string",
"minLength": 1,
"maxLength": 120,
"description": "Any color: #ff5733, rgb(255 87 51), hsl(11 100% 60%), oklch(68% 0.21 34), a CSS or common name like navy, or a Tailwind class like sky-500"
},
"description": "Palette colors, 2 to 12"
}
},
"required": [
"colors"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢check_gamut(color)
Check 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).
输入模式
{
"type": "object",
"properties": {
"color": {
"type": "string",
"minLength": 1,
"maxLength": 120,
"description": "Any color: #ff5733, rgb(255 87 51), hsl(11 100% 60%), oklch(68% 0.21 34), a CSS or common name like navy, or a Tailwind class like sky-500"
}
},
"required": [
"color"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢nearest_names(color, limit, locale)
Find the closest named colors, CSS color keywords and Tailwind CSS classes for a color, ranked by perceptual distance (deltaE OK).
输入模式
{
"type": "object",
"properties": {
"color": {
"type": "string",
"minLength": 1,
"maxLength": 120,
"description": "Any color: #ff5733, rgb(255 87 51), hsl(11 100% 60%), oklch(68% 0.21 34), a CSS or common name like navy, or a Tailwind class like sky-500"
},
"limit": {
"default": 5,
"type": "integer",
"minimum": 1,
"maximum": 20
},
"locale": {
"default": "en",
"description": "Language for color names",
"type": "string",
"enum": [
"en",
"ru"
]
}
},
"required": [
"color"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢compare_colors(first, second)
Compare 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.
输入模式
{
"type": "object",
"properties": {
"first": {
"type": "string",
"minLength": 1,
"maxLength": 120,
"description": "Any color: #ff5733, rgb(255 87 51), hsl(11 100% 60%), oklch(68% 0.21 34), a CSS or common name like navy, or a Tailwind class like sky-500"
},
"second": {
"type": "string",
"minLength": 1,
"maxLength": 120,
"description": "Any color: #ff5733, rgb(255 87 51), hsl(11 100% 60%), oklch(68% 0.21 34), a CSS or common name like navy, or a Tailwind class like sky-500"
}
},
"required": [
"first",
"second"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢generate_scale(color)
Build an 11-step tint and shade scale (50, 100 … 900, 950) from one color in OKLCH, the same shape as Tailwind palettes, with even perceived lightness steps.
输入模式
{
"type": "object",
"properties": {
"color": {
"type": "string",
"minLength": 1,
"maxLength": 120,
"description": "Any color: #ff5733, rgb(255 87 51), hsl(11 100% 60%), oklch(68% 0.21 34), a CSS or common name like navy, or a Tailwind class like sky-500"
}
},
"required": [
"color"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢tints_shades(color, steps)
Get 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.
输入模式
{
"type": "object",
"properties": {
"color": {
"type": "string",
"minLength": 1,
"maxLength": 120,
"description": "Any color: #ff5733, rgb(255 87 51), hsl(11 100% 60%), oklch(68% 0.21 34), a CSS or common name like navy, or a Tailwind class like sky-500"
},
"steps": {
"default": 10,
"type": "integer",
"minimum": 2,
"maximum": 20
}
},
"required": [
"color"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢harmonies(color, kind)
Get color harmonies for a base color, computed in OKLCH so lightness stays even: complementary, split-complementary, analogous, triadic, tetradic, square and monochromatic.
输入模式
{
"type": "object",
"properties": {
"color": {
"type": "string",
"minLength": 1,
"maxLength": 120,
"description": "Any color: #ff5733, rgb(255 87 51), hsl(11 100% 60%), oklch(68% 0.21 34), a CSS or common name like navy, or a Tailwind class like sky-500"
},
"kind": {
"description": "One harmony. All harmonies when omitted",
"type": "string",
"enum": [
"complementary",
"split-complementary",
"analogous",
"triadic",
"tetradic",
"square",
"monochromatic"
]
}
},
"required": [
"color"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢mix_colors(first, second, amount, space)
Mix 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.
输入模式
{
"type": "object",
"properties": {
"first": {
"type": "string",
"minLength": 1,
"maxLength": 120,
"description": "Any color: #ff5733, rgb(255 87 51), hsl(11 100% 60%), oklch(68% 0.21 34), a CSS or common name like navy, or a Tailwind class like sky-500"
},
"second": {
"type": "string",
"minLength": 1,
"maxLength": 120,
"description": "Any color: #ff5733, rgb(255 87 51), hsl(11 100% 60%), oklch(68% 0.21 34), a CSS or common name like navy, or a Tailwind class like sky-500"
},
"amount": {
"default": 50,
"description": "Share of the second color in percent",
"type": "number",
"minimum": 0,
"maximum": 100
},
"space": {
"default": "oklab",
"type": "string",
"enum": [
"oklab",
"oklch",
"srgb",
"srgb-linear",
"lab",
"lch",
"hsl",
"hwb"
]
}
},
"required": [
"first",
"second"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢make_gradient(colors, kind, angle, space, stops)
Build a CSS gradient from 2 or more colors with interpolation in OKLab, OKLCH or sRGB. Returns modern CSS with the color space, a fallback with precomputed stops for older browsers, and the stop colors. OKLab avoids the gray middle that sRGB gradients get.
输入模式
{
"type": "object",
"properties": {
"colors": {
"minItems": 1,
"maxItems": 12,
"type": "array",
"items": {
"type": "string",
"minLength": 1,
"maxLength": 120,
"description": "Any color: #ff5733, rgb(255 87 51), hsl(11 100% 60%), oklch(68% 0.21 34), a CSS or common name like navy, or a Tailwind class like sky-500"
},
"description": "Gradient stops in order, 2 to 12"
},
"kind": {
"default": "linear",
"type": "string",
"enum": [
"linear",
"radial",
"conic"
]
},
"angle": {
"default": 90,
"description": "Angle in degrees for linear",
"type": "number",
"minimum": 0,
"maximum": 360
},
"space": {
"default": "oklab",
"type": "string",
"enum": [
"oklab",
"oklch",
"srgb",
"srgb-linear",
"lab",
"lch"
]
},
"stops": {
"default": 7,
"description": "How many precomputed stops the fallback gets",
"type": "integer",
"minimum": 2,
"maximum": 32
}
},
"required": [
"colors"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢generate_palette(keep, mode, size, seed)
Generate 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.
输入模式
{
"type": "object",
"properties": {
"keep": {
"description": "Colors that must stay in the palette, in order",
"maxItems": 12,
"type": "array",
"items": {
"type": "string",
"minLength": 1,
"maxLength": 120,
"description": "Any color: #ff5733, rgb(255 87 51), hsl(11 100% 60%), oklch(68% 0.21 34), a CSS or common name like navy, or a Tailwind class like sky-500"
}
},
"mode": {
"default": "auto",
"type": "string",
"enum": [
"auto",
"analogous",
"complementary",
"triadic",
"monochromatic",
"pastel",
"vivid",
"muted",
"dark"
]
},
"size": {
"default": 5,
"type": "integer",
"minimum": 2,
"maximum": 10
},
"seed": {
"description": "Any text. The same seed gives the same palette",
"type": "string",
"maxLength": 100
}
},
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢simulate_cvd(colors, kinds)
Show how colors look with protanopia, deuteranopia, tritanopia and achromatopsia (Machado 2009 at full severity), and list the pairs that become hard to tell apart.
输入模式
{
"type": "object",
"properties": {
"colors": {
"minItems": 1,
"maxItems": 12,
"type": "array",
"items": {
"type": "string",
"minLength": 1,
"maxLength": 120,
"description": "Any color: #ff5733, rgb(255 87 51), hsl(11 100% 60%), oklch(68% 0.21 34), a CSS or common name like navy, or a Tailwind class like sky-500"
}
},
"kinds": {
"minItems": 1,
"type": "array",
"items": {
"type": "string",
"enum": [
"protanopia",
"deuteranopia",
"tritanopia",
"achromatopsia"
]
}
}
},
"required": [
"colors"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢export_tokens(colors, format, values)
Turn 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.
输入模式
{
"type": "object",
"properties": {
"colors": {
"minItems": 1,
"maxItems": 24,
"type": "array",
"items": {
"type": "object",
"properties": {
"color": {
"type": "string",
"minLength": 1,
"maxLength": 120,
"description": "Any color: #ff5733, rgb(255 87 51), hsl(11 100% 60%), oklch(68% 0.21 34), a CSS or common name like navy, or a Tailwind class like sky-500"
},
"name": {
"description": "Token name",
"type": "string",
"minLength": 1,
"maxLength": 60
}
},
"required": [
"color"
]
}
},
"format": {
"default": "css",
"type": "string",
"enum": [
"css",
"tailwind",
"scss",
"json",
"dtcg",
"array",
"svg"
]
},
"values": {
"default": "oklch",
"description": "How color values are written",
"type": "string",
"enum": [
"oklch",
"hex",
"rgb",
"hsl",
"display-p3"
]
}
},
"required": [
"colors"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢build_system(primary, secondary, accent, neutral, name, ...)
Build a full color system from a brand color: 50–950 scales for primary, secondary, accent, neutral and status colors, light and dark theme roles, exported as a Tailwind v4 theme, CSS variables, shadcn/ui globals.css or DTCG tokens, with a contrast audit of text and surface pairs.
输入模式
{
"type": "object",
"properties": {
"primary": {
"type": "string",
"minLength": 1,
"maxLength": 120,
"description": "Brand or primary color"
},
"secondary": {
"type": "string",
"minLength": 1,
"maxLength": 120,
"description": "Any color: #ff5733, rgb(255 87 51), hsl(11 100% 60%), oklch(68% 0.21 34), a CSS or common name like navy, or a Tailwind class like sky-500"
},
"accent": {
"type": "string",
"minLength": 1,
"maxLength": 120,
"description": "Any color: #ff5733, rgb(255 87 51), hsl(11 100% 60%), oklch(68% 0.21 34), a CSS or common name like navy, or a Tailwind class like sky-500"
},
"neutral": {
"type": "string",
"minLength": 1,
"maxLength": 120,
"description": "Any color: #ff5733, rgb(255 87 51), hsl(11 100% 60%), oklch(68% 0.21 34), a CSS or common name like navy, or a Tailwind class like sky-500"
},
"name": {
"default": "Brand",
"type": "string",
"minLength": 1,
"maxLength": 60
},
"format": {
"default": "tailwind",
"type": "string",
"enum": [
"tailwind",
"css",
"shadcn",
"dtcg"
]
},
"values": {
"default": "oklch",
"type": "string",
"enum": [
"oklch",
"hex",
"rgb",
"hsl",
"display-p3"
]
}
},
"required": [
"primary"
],
"$schema": "http://json-schema.org/draft-07/schema#"
}社区
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