Color Convert + Contrast · Color

import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";

const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);

const res = await fetchWithPay("https://keyronne.com/api/color", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "background": "#ffffff",
    "color": "#3498db"
  }),
});
const data = await res.json();

curl -X POST \
  "https://keyronne.com/api/color" \
  -H "Content-Type: application/json" \
  -d '{"background":"#ffffff","color":"#3498db"}' \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "contrast": {
    "against": "#ffffff",
    "largeTextAA": false,
    "normalTextAA": false,
    "ratio": 2.59
  },
  "hex": "#3498db",
  "hsl": {
    "h": 204,
    "l": 53.1,
    "s": 70
  },
  "input": "#3498db",
  "luminance": 0.2831,
  "rgb": {
    "a": 1,
    "b": 219,
    "g": 152,
    "r": 52
  }
}