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Color Server

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Provides color and design tools including palette generation, WCAG contrast checking, color conversion, gradients, color blindness simulation, and CSS variables

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About

Provides color and design tools including palette generation, WCAG contrast checking, color conversion, gradients, color blindness simulation, and CSS variables, all without API keys.

README

MCP-Server fuer Farb- und Design-Tools: Palettengenerator, WCAG-Kontrast, Farbkonvertierung, Komplementaerfarben, Verlaeufe, Farbenblindheits-Simulation und CSS-Variablen.

Perfekt fuer Design-Agents, Frontend-Bots und Accessibility-Workflows. Keine API-Keys noetig.

Features (9 Tools)

Tool Zweck
tool_get_color_info Detail-Info zu einer Farbe (Name, RGB, HSL, CMYK) via TheColorAPI
tool_get_color_info_local Schnelle lokale Color-Info ohne API-Call
tool_generate_palette Palette generieren: monochrome, analogic, complement, triad, quad
tool_check_contrast WCAG 2.1 Kontrast-Check (AA/AAA, normal/large)
tool_convert_color Konvertierung zwischen hex, rgb, hsl, hsv
tool_get_complementary_color Komplementaerfarbe (180 Grad im HSL-Rad)
tool_generate_gradient Linearer Farbverlauf zwischen zwei Farben
tool_simulate_color_blindness Protanopia, Deuteranopia, Tritanopia, Achromatopsia
tool_get_css_variables CSS-Custom-Properties (--color-1: #...;) aus Palette

Installation

pip install color-mcp-server

Verwendung mit Claude Desktop

claude_desktop_config.json:

{
  "mcpServers": {
    "color": {
      "command": "color-mcp-server"
    }
  }
}

Beispiele

# Palette generieren
await tool_generate_palette(base_color="#3498db", mode="triad", count=3)

# Kontrast pruefen (WCAG 2.1)
tool_check_contrast(foreground="#ffffff", background="#3498db")
# -> {"contrast_ratio": 3.14, "wcag_aa_normal": False, "rating": "AA Large"}

# Farbverlauf fuer CSS
tool_generate_gradient(start_color="#ff0000", end_color="#0000ff", steps=5)

# Farbenblindheit simulieren
tool_simulate_color_blindness(color_hex="#ff0000", blindness_type="protanopia")

APIs

  • TheColorAPI (kostenlos, kein Key) -- Detail-Info und Palettengenerierung
  • Alle anderen Tools laufen rein lokal (Python colorsys)

Lizenz

MIT -- (c) AiAgentKarl

Verwandte Server

from github.com/AiAgentKarl/color-mcp-server

Install Color Server in Claude Desktop, Claude Code & Cursor

Recommended · one command, every IDE
unyly install color-mcp-server

Installs into Claude Desktop, Claude Code, Cursor & VS Code — handles npx, uvx and build-from-source repos for you.

First time? Get the CLI: curl -fsSL https://unyly.org/install | sh

Or configure manually

Run in your terminal:

claude mcp add color-mcp-server -- uvx color-mcp-server

FAQ

Is Color Server MCP free?

Yes, Color Server MCP is free — one-click install via Unyly at no cost.

Does Color Server need an API key?

No, Color Server runs without API keys or environment variables.

Is Color Server hosted or self-hosted?

Self-hosted: the server runs locally on your machine via the install command above.

How do I install Color Server in Claude Desktop, Claude Code or Cursor?

Open Color Server on unyly.org, pick your client tab (Claude Desktop, Claude Code, Cursor) and press Install — the config is generated automatically, no JSON editing.

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