Brushes

Brush="ChatLog.Text"

Brush.FontSize="20"

Brush.GlobalAlphaFactor="0.5"

Brush.FontColor="#AAAAAAFF" - alpha channel does nothing?

Brush.ColorFactor="0.75" - lighter/darker

Brush.SaturationFactor="-100" -100 - no color, black&white

Brush.TextHorizontalAlignment="Left"

Brush.TextVerticalAlignment="Center"