Syncfusion color palette for WPF is a .NET UI library which allows users to select a color from a set of swatches using touch navigation.
• Provides nearly 600 predefined solid colors.
• Change the selected color in the control with mouse or touch interaction.
Color picker for Xamarin.Forms. It can be used as a large color mixer control (ColorPickerMixer) or as a dialog for select a color (ColorPickerDialog) or as an entry editor (ColorPickerEntry) of hexadecimal value with preview of a color and option of launch a dialog with color mixer.