code: function() {
              this.logger.log("hsv " + [this._getH(),this._getS(),this._getV()]);
              this.set(this.OPT.RGB, Color.hsv2rgb(this._getH(), this._getS(), this._getV()));
          }
docs: Reads the sliders and converts the values to RGB, updating the
  internal state for all the individual form fields
  @method _getValuesFromSliders
  @protected