Color Converter (HEX / RGB / HSL)

Convert a color between HEX, RGB and HSL representations.

Free tier eligible — 500 calls/month with a free key from /pricing; x402 pay-per-call above quota.

Parameters

Parameter	Type	Required	Description
`hex`	string	optional	Hex color, e.g. '#3498db' (or provide r/g/b)
`r`	integer	optional	Red 0-255
`g`	integer	optional	Green 0-255
`b`	integer	optional	Blue 0-255

Call it over MCP (JSON-RPC 2.0)

curl -s https://wingmanprotocol.com/mcp \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json, text/event-stream' \
  -d '{"jsonrpc": "2.0", "id": 1, "method": "tools/call", "params": {"name": "color_convert", "arguments": {"hex": "example", "r": 10, "g": 10}}}'

Or plain HTTP

curl -s https://wingmanprotocol.com/tools/color_convert \
  -H 'Content-Type: application/json' \
  -d '{"hex": "example", "r": 10, "g": 10}'

Try it live

Edit the JSON and run it — this POSTs to https://wingmanprotocol.com/tools/color_convert from your browser.

This tool is x402-metered — agents pay per call with USDC on Base. The 402 response below is the standard x402 payment-requirements envelope: sign the EIP-3009 authorization and retry with the X-Payment header, or get a free key at /pricing (500 calls/month, no card, no crypto).