Color helpers

colors.js

/**
 * @param {string} hexString
 * @returns {{ r: number; g: number; b: number; }}
 */
function getRGBFromHex(hexString) {
  hexString = hexString.substring(1);
  let aRgbHex = hexString.match(/.{1,2}/g);
  return {
    r: parseInt(aRgbHex[0], 16),
    g: parseInt(aRgbHex[1], 16),
    b: parseInt(aRgbHex[2], 16),
  };
}

/**
 * @param {{r: number; g: number; b: number;}} param0
 * @returns {'#ffffff' | '#000000';}
 */
function getContrastingColorBasedOnLuminosity({ r, g, b }) {
  return r * 0.299 + g * 0.587 + b * 0.114 > 186 ? "#000000" : "#ffffff";
}

export { getRGBFromHex, getContrastingColorBasedOnLuminosity };