Share Email Facebook Twitter LinkedIn Select Color Dialog Box 2013-04-10 Product Documentation Intermediate View Original Defines the color of objects. Summary You can select from the 255 AutoCAD Color Index (ACI) colors, true colors, and Color Book colors, available on three tabs. Related References Index Color Tab (Select Color Dialog Box) True Color Tab (Select Color Dialog Box) Color Books Tab (Select Color Dialog Box) COLOR (Command) Related Concepts About Color Books About Setting the Color of Objects