mcp server

mcp-color-tools

MCP server for colors: convert HEX/RGB/HSL/CMYK, generate palettes, check WCAG contrast, mix colors, generate CSS gradients Install: npx @rog0x/mcp-color-tools

rog0x/mcp-color-toolscommunitylistedunreviewednot running here yet

Use tool

Set up

Runs on your computer. Pick your agent and operating system.

Before you start

Node.js 20 or newer

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "mcp-color-tools": {
      "command": "npx",
      "args": [
        "-y",
        "@rog0x/mcp-color-tools"
      ]
    }
  }
}

same format Cursor, GitHub Copilot CLI, Junie, JetBrains AI Assistant, Augment (Auggie CLI), Factory Droid, Kiro, Devin CLI +12

Values in angle brackets are placeholders. Restart Claude Desktop after editing its config.Claude Desktop docs

README

synced Oct 14, 2026

mcp-color-tools

MCP server providing color manipulation and design tools for AI agents.

Tools

color_convert

Convert a color between HEX, RGB, HSL, HSV, and CMYK. Accepts any format as input and returns all formats.

{ "color": "#ff6b35" }
{ "color": "rgb(255, 107, 53)" }
{ "color": "hsl(16, 100%, 60%)" }
{ "color": "hsv(16, 79%, 100%)" }
{ "color": "cmyk(0, 58, 79, 0)" }

palette_generate

Generate a color palette from a base color.

Types: complementary, analogous, triadic, split-complementary, monochromatic

{ "color": "#ff6b35", "type": "triadic" }

contrast_check

Check WCAG contrast ratio between two colors. Reports AA/AAA compliance for normal text, large text, and UI components.

{ "color1": "#ffffff", "color2": "#333333" }

color_mix

Mix, blend, lighten, darken, saturate, or desaturate colors.

{ "operation": "mix", "colors": ["#ff0000", "#0000ff"], "weights": [2, 1] }
{ "operation": "blend", "colors": ["#ff0000", "#0000ff"], "ratio": 0.3 }
{ "operation": "lighten", "colors": ["#ff6b35"], "amount": 20 }
{ "operation": "darken", "colors": ["#ff6b35"], "amount": 15 }
{ "operation": "saturate", "colors": ["#888888"], "amount": 30 }
{ "operation": "desaturate", "colors": ["#ff6b35"], "amount": 25 }

css_gradient

Generate CSS gradient code with direction, stops, and browser prefixes.

{
  "type": "linear",
  "colors": ["#ff6b35", "#ffd700", "#00bcd4"],
  "direction": "135deg"
}

{
  "type": "radial",
  "colors": [
    { "color": "#ff6b35", "position": 0 },
    { "color": "#ffd700", "position": 50 },
    { "color": "#00bcd4", "position": 100 }
  ],
  "direction": "circle at center"
}

Setup

npm install
npm run build

Claude Desktop Configuration

{
  "mcpServers": {
    "color-tools": {
      "command": "node",
      "args": ["path/to/mcp-color-tools/dist/index.js"]
    }
  }
}

License

MIT