System.Object
   C1.Xaml.Extended.ColorPalette
   C1.Xaml.Extended.ColorPaletteEntry
   C1.Xaml.Extended.WebColor
   System.EventArgs
      C1.Xaml.Extended.BookDragPageFinishedEventArgs
   System.MarshalByRefObject
      System.__ComObject
         System.Runtime.InteropServices.WindowsRuntime.RuntimeClass
            Windows.UI.Xaml.DependencyObject
               Windows.UI.Xaml.UIElement
                  Windows.UI.Xaml.FrameworkElement
                     Windows.UI.Xaml.Controls.ContentPresenter
                        C1.Xaml.Extended.C1BookHalfSpan
                     Windows.UI.Xaml.Controls.Control
                        C1.Xaml.Extended.C1AdvancedColorPickerPart
                        C1.Xaml.Extended.C1BasicColorPickerPart
                        C1.Xaml.Extended.C1CheckeredBorder
                        C1.Xaml.Extended.C1ColorPicker
                        C1.Xaml.Extended.C1SpectrumColorPicker
                        C1.Xaml.Extended.C1SpectrumPad
                        Windows.UI.Xaml.Controls.ContentControl
                           C1.Xaml.Extended.C1BookItem
                           C1.Xaml.Extended.C1ColorButton
                        Windows.UI.Xaml.Controls.ItemsControl
                           C1.Xaml.Extended.C1Book
                        Windows.UI.Xaml.Controls.Primitives.RangeBase
                           Windows.UI.Xaml.Controls.Slider
                              C1.Xaml.Extended.C1ColorSlider
                        Windows.UI.Xaml.Controls.TextBox
                           C1.Xaml.C1TextBoxBase
                              C1.Xaml.Extended.C1HexColorBox

Reference

C1.UWP.Extended Assembly