Color Harmony Palette Generator

Generate a harmony palette (complementary/triadic/analogous/split-complementary/tetradic/monochromatic) from one hex color.

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	required	Base hex color, e.g. '#3498db' or '3498db'
`harmony`	string	optional	complementary \| triadic \| analogous \| split_complementary \| tetradic \| monochromatic (default complementary) One of: complementary, triadic, analogous, split_complementary, tetradic, monochromatic

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_palette", "arguments": {"hex": "example"}}}'

Or plain HTTP

curl -s https://wingmanprotocol.com/tools/color_palette \
  -H 'Content-Type: application/json' \
  -d '{"hex": "example"}'

Try it live

Edit the JSON and run it — this POSTs to https://wingmanprotocol.com/tools/color_palette 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).