Creating Views > Working with ECAD Color and Visibility > To Invert the Display of Layers
  
To Invert the Display of Layers
This procedure applies only to PCB Layout views.
1. In the Color and Visibility pane, select one of the following sets of items to make them visible:
Layers
One or more layers and an overlay
2. Click Home > Invert Layers. The display of the layers is inverted.