Design
Convert bidirectionally between HEX, RGB, HSL, OKLCH and Display-P3 using CSS Color 4 math, with gamut checks and out-of-gamut clipping suggestions
Call this tool from your code in three languages.
curl -X POST 'https://api.elysiatools.com/en/api/tools/oklch-color-converter' \
-H 'Content-Type: application/json' \
-d '{"colorInput":"#3b82f6","inputFormat":"auto","L":0,"C":0,"H":0,"clipMode":"auto"}'Send a POST request with your inputs as JSON. File parameters require a separate upload first.
POST https://api.elysiatools.com/en/api/tools/oklch-color-converter| Name | Type | Required | Description |
|---|---|---|---|
| colorInput | text | No | — |
| inputFormat | select | No | — |
| L | number | No | — |
| C | number | No | — |
| H | number | No | — |
| clipMode | select |
Add this tool to your Model Context Protocol server so AI agents can list and call it.
Add this block to your MCP client configuration:
{
"mcpServers": {
"elysiatools-oklch-color-converter": {
"name": "oklch-color-converter",
"description": "Convert bidirectionally between HEX, RGB, HSL, OKLCH and Display-P3 using CSS Color 4 math, with gamut checks and out-of-gamut clipping suggestions",
"baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=oklch-color-converter",
"command": "",
"args": [],
"env": {},
"isActive": true,
"type": "sse"
}
}
}After connecting to the SSE endpoint, list the exposed tools:
{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/list"
}Invoke the tool by its id, passing arguments built from its parameters:
{
"jsonrpc": "2.0",
"id": 2,
"method": "tools/call",
"params": {
"name": "oklch-color-converter",
"arguments": {
"colorInput": "#3b82f6",
"inputFormat": "auto",
"L": 0,
"C": 0,
"H": 0,
"clipMode": "auto"
}
}
}Questions or issues? Contact [email protected]
| No |
| — |
HTML result
{
"result": "<div>Processed HTML content</div>",
"error": "Error message (optional)",
"message": "Notification message (optional)",
"metadata": {
"key": "value"
}
}