colorjs.io/src/contrast/index.js

Let’s get serious about color

export { default as contrastWCAG21 } from "./WCAG21.js";
export { default as contrastAPCA } from "./APCA.js";
export { default as contrastMichelson } from "./Michelson.js";
export { default as contrastWeber } from "./Weber.js";
export { default as contrastLstar } from "./Lstar.js";
export { default as contrastDeltaPhi } from "./deltaPhi.js";

/** @typedef {keyof typeof import("./index.js") extends `contrast${infer Alg}` ? Alg : string} Algorithms */