Solid brush using type converter
<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="SolidColorBrush Animation Example" Background="White"> <StackPanel> <Ellipse Fill ="DarkRed" Height ="50" Width ="50"/> </StackPanel> </Window>