Parameters2
backgroundstringexample:#ffffffdefault:nullforegroundstringexample:#000000default:null
Service overview
Convert a color between hex, RGB, HSL, CMYK, HWB, and CSS named colors
Level up your agent by giving it access to thousands of services. All payable per-request via x402. No API keys, no accounts.
Paste into your agentic chat and let your agent guide you.
npx awal x402 pay "https://color.agentutil.net/v1/contrast" \
--method POST \
--data '{
"background": "{background}",
"foreground": "{foreground}"
}'{
"endpoint": "POST /v1/contrast",
"paid": true,
"query": "example input",
"result": {
"value": "Structured response from the service."
}
}API surface
2 crawlable routes
backgroundstring#ffffffnullforegroundstring#000000nullcolorstring#ff6600nullFAQ
Service
OATP · tx_explainer — Fetch a Solana transaction by signature and return a human-readable explanation: programs invoked, token balance changes, fee (SOL + USD), and a one-line summary.
Service
Exa /contents endpoint
Service
Decode and explain any EVM blockchain transaction across 11 chains (Base, Ethereum, Arbitrum, Optimism, Avalanche, Polygon, Mantle, Monad, Plasma, BSC, Hyperliquid). Get a human-readable summary of swaps, transfers, approvals, DeFi interactions, and more.