code: function() {
              var size = this.get(this.OPT.PICKER_SIZE),
                  h = (size - this.hueSlider.getValue()) / size;
              h = Math.round(h*360);
              return (h === 360) ? 0 : h;
          }
docs: Translates the slider value into hue, int[0,359]
  @method _getH
  @protected
  @return {int} the hue from 0 to 359