With the RadRibbonBarColorPicker you can also use the SelectedColor property. The ColorPicker also has an ItemsCollection, which defines the available colors. If the Items collection is empty, the ColorPicker uses a default collection of standart colors.
RadRibbonBar provides a client-side API for working with RadRibbonBarColorPicker. Below you can find an list of with their detailed description:
get_selectedColor() - gets the selected color.
set_selectedColor() - sets the selected color.
get_index() - returns the index of the ColorPicker in its parent group.
get_hierarchicalIndex() - returns the index of the ColorPicker in its parent group.