function to convert hsl values into rgb

hsl2rgb.js

/**
 * function to convert hue, saturation, lightness in browser
 * @param  {integer} h in range of 0..360
 * @param  {saturation} s in range of 0..100 (percents)
 * @param  {lightness} l in range of 0..100 (percents)
 * @return {array}  array [r, g, b] of integers (0..255) representing each part
 */
hsl2rgb = function (h, s, l) {
  var transmitter = document.createElement("div");
  hsl2rgb = function () {
    transmitter.style.backgroundColor = "hsl(" + h + ", " + s + "%, " + l + "%)";
    return transmitter.style.backgroundColor
      .slice(4, - 1)
      .split(', ')
      .map(function(x){return parseInt(x)});
  }
  return hsl2rgb(h,s,l);
}