/**
* {@inheritDoc}
*/
public EList<Widget> renderWidget(Widget w, StringBuilder sb) throws RenderException {
Colorpicker cp = (Colorpicker) w;
String snippetName = "colorpicker";
String snippet = getSnippet(snippetName);
// set the default send-update frequency to 200ms
String frequency = cp.getFrequency()==0 ? "200" : Integer.toString(cp.getFrequency());
// get RGB hex value
State state = itemUIRegistry.getState(cp);
String hexValue = "#ffffff";
if(state instanceof HSBType) {