Design
Pastel Color Generator
Generate soft, gentle pastel colors with reduced saturation and increased lightness for creating delicate and soothing color palettes
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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/pastel-colors' \
-H 'Content-Type: application/json' \
-d '{"baseColor":"#FF6B6B","pastelMethod":"classic","pastelCount":6,"softnessLevel":0.7,"hueVariation":0,"saturationReduction":0.6,"lightnessBoost":0.3,"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/pastel-colorsParameters
| Name | Type | Required | Description |
|---|---|---|---|
| baseColor | color | Yes | — |
| pastelMethod | select | No | — |
| pastelCount | number | No | How many pastel colors to generate |
| softnessLevel | number | No | How soft and gentle the colors should be (0.3-1.0) |
| hueVariation | number | No | Color diversity range in degrees (0-180) |
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-pastel-colors": {
"name": "pastel-colors",
"description": "Generate soft, gentle pastel colors with reduced saturation and increased lightness for creating delicate and soothing color palettes",
"baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=pastel-colors",
"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": "pastel-colors",
"arguments": {
"baseColor": "#FF6B6B",
"pastelMethod": "classic",
"pastelCount": 6,
"softnessLevel": 0.7,
"hueVariation": 0,
"saturationReduction": 0.6,
"lightnessBoost": 0.3,
"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).