Create Brushes from ARGB Values in WPF

Using ARGB Values

A Color is represented by ARGB value that is a combination of values for alpha, red, green, and blue color components. By using these four values you can create any combination of colors. Alpha value in the ARGB represents a transparency of a color. The following code snippet creates SolidColorBrush from an ARGB value.

<Rectangle Width="200" Height="100" Stroke="Black" StrokeThickness="4" >

    <Rectangle.Fill>

        <SolidColorBrush>

            <SolidColorBrush.Color>

                <Color A="150" R="0" G="0" B="255" />

            </SolidColorBrush.Color>

        </SolidColorBrush>

    </Rectangle.Fill>

</Rectangle>

The following code snippet creates a transparent blue brush using Colors.FromArgb method.

SolidColorBrush transparentBlueBrush = new SolidColorBrush();

transparentBlueBrush.Color = Colors.FromArgb(150, 0, 0, 255);