code: function(ui, context)
                {
                  var hex = ui.val('hex');
                  currentPreview.css({ backgroundColor: hex && '#' + hex || 'transparent' });
                  setAlpha.call($this, currentPreview, Math.precision(((ui.val('a') || 0) * 100) / 255, 4));
                }
docs: Basic control binding for inline use - You will need to override the liveCallback or commitCallback function to retrieve results