3D View Options: the Colors Tab

Colors Settings of how to color objects under selection as well as external objects
Highlight color The color when an object is pointed to.
Selection color The color for a selected object.
Active state color The color highlighting the panel to which you will be attaching a 3D object. The color indicates that a panel is selected and that an object will be aligned to it.
Wire Frames The thickness of the edges in Wireframe and Solid Wire view.
Color The color of the edges in Wireframe and Solid Wire view.
 
Solid B&W Settings that color the model view in the 3D design frame area in print drawings when you have set B&W view. Note that what you set here will appear only in a 3D area of a print drawing, not in the 3D module area.
Front side color The color for the model's front side.
Rear side color The color for the model's rear side.
Wire Frames The thickness of the model's edges.
Color The color of the edges.