You can change the foreground color of any layer on the current page--other than color rasters--to make the page easier to view.
To change layer colors:
In the Layers window:
1. Select the names of the layers whose color you want to change. For details, click Selecting layers in the Layers window.
2. Right mouse click the selected names.
3. From the menu that appears, choose Color.
4. In the Select Color list that appears, click your color choice.
The layers are displayed with the selected colors. If they remain black and white, click Troubleshooting.