Design
Color Tetrad
Generate tetradic color schemes with four colors arranged in rectangular patterns on the color wheel, creating rich and complex color relationships
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Quick start
Call this tool from your code in three languages.
cURL
curl -X POST 'https://api.elysiatools.com/en/api/tools/color-tetrad' \
-H 'Content-Type: application/json' \
-d '{"baseColor":"#FF6B6B","rectangleType":"complementary_pairs","hueAdjustment":0,"saturationAdjust":1,"lightnessAdjust":0,"includeOriginal":false,"showHexCodes":true,"showRgbValues":true,"showHslValues":true,"generatePalette":false}'API reference
Send a POST request with your inputs as JSON. File parameters require a separate upload first.
Endpoint
HTTP
POST https://api.elysiatools.com/en/api/tools/color-tetradParameters
| Name | Type | Required | Description |
|---|---|---|---|
| baseColor | color | Yes | — |
| rectangleType | select | No | — |
| hueAdjustment | number | No | Custom angle adjustment for rectangle type |
| saturationAdjust | number | No | Multiplier for saturation (0.5-2.0) |
| lightnessAdjust | number | No | Adjust lightness (-0.3 to 0.3) |
MCP integration
Add this tool to your Model Context Protocol server so AI agents can list and call it.
Server configuration
Add this block to your MCP client configuration:
mcp.json
{
"mcpServers": {
"elysiatools-color-tetrad": {
"name": "color-tetrad",
"description": "Generate tetradic color schemes with four colors arranged in rectangular patterns on the color wheel, creating rich and complex color relationships",
"baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=color-tetrad",
"command": "",
"args": [],
"env": {},
"isActive": true,
"type": "sse"
}
}
}List available tools
After connecting to the SSE endpoint, list the exposed tools:
tools/list
{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/list"
}Call this tool
Invoke the tool by its id, passing arguments built from its parameters:
tools/call
{
"jsonrpc": "2.0",
"id": 2,
"method": "tools/call",
"params": {
"name": "color-tetrad",
"arguments": {
"baseColor": "#FF6B6B",
"rectangleType": "complementary_pairs",
"hueAdjustment": 0,
"saturationAdjust": 1,
"lightnessAdjust": 0,
"includeOriginal": false,
"showHexCodes": true,
"showRgbValues": true,
"showHslValues": true,
"generatePalette": false
}
}
}Chain multiple tools in one session with a comma-separated toolId list, e.g. /mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp (max 20).
Questions or issues? Contact [email protected]