The Color Assignment dialog box lets you dictate which colors are used to present different elements that appear in the Structural Graphics display, for example, the objects, the title bars, the view window frames, and so on. This is achieved by selecting various settings.
Left side of dialog box
Use the left side of the dialog box to select the color you want to use. To do so, click on the appropriate color plate.
Right side of dialog box
Use the right side of the dialog box to select the individual element whose color you want to change. The elements listed vary according to how you access the Color Assignment dialog box, from the Object or Options menu. To make a selection, click on the appropriate element.
For more information:Changing Color Assignments Changing Color Assignments for Objects