@macrostrat/column-components/dist/chroma-js/src/utils/contrast.cjs

React rendering primitives for stratigraphic columns

"use strict";
const Color = require("../Color.cjs");
require("../ops/luminance.cjs");
const contrast = (a, b) => {
  a = new Color(a);
  b = new Color(b);
  const l1 = a.luminance();
  const l2 = b.luminance();
  return l1 > l2 ? (l1 + 0.05) / (l2 + 0.05) : (l2 + 0.05) / (l1 + 0.05);
};
module.exports = contrast;
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