MarkupExtension to that can be used to brighten (positive) or darken (negative) a Color.
Property
| Name |
|---|
| CorrectionFactor |
| Color |
Example
1 | <SolidColorBrush Color = "{hc:ColorBrightness Color=Red, CorrectionFactor=-0.3}" /> |

Demo
you can run demo and see this feature.