@onesy/utils/esm/emphasize.js

Utils

import getLuminance from './getLuminance';
import lighten from './lighten';
import darken from './darken';

const emphasize = function (value) {
  let coefficient = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0.14;
  const luminance = getLuminance(value);

  if (luminance !== undefined) {
    return getLuminance(value) > 0.5 ? darken(value, coefficient) : lighten(value, coefficient);
  }
};

export default emphasize;