@macrostrat/column-components/dist/chroma-js/src/io/cmyk/rgb2cmyk.cjs

React rendering primitives for stratigraphic columns

"use strict";
require("../../utils/type.cjs");
const unpack = require("../../utils/unpack.cjs");
const { max } = Math;
const rgb2cmyk = (...args) => {
  let [r, g, b] = unpack(args, "rgb");
  r = r / 255;
  g = g / 255;
  b = b / 255;
  const k = 1 - max(r, max(g, b));
  const f = k < 1 ? 1 / (1 - k) : 0;
  const c = (1 - r - k) * f;
  const m = (1 - g - k) * f;
  const y = (1 - b - k) * f;
  return [c, m, y, k];
};
module.exports = rgb2cmyk;
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