docs: function html2rgb(s) {
      var r = 0;
      var g = 0;
      var b = 0;
      if(s.length == 7) {
        r = parseInt('0x'+s.slice(1,3))/255;
        g = parseInt('0x'+s.slice(3,5))/255;
        b = parseInt('0x'+s.slice(5,7))/255;
      }
      return [r,g,b];
  }