Multi Colors For Usergroup

Is it possible for multi colors to be used for user groups?

Users & Groups---->Groups---->Group Administration----> click on button "Create Users & Groups", after you fill informations, Color Group Members : click Yes, and Group Members Color : you choose color what you like. Finally, Group status : You choose Opened group, if Closed group will don't have color... welll... Hidden group: (i don't know! to seem, you must correct some times then it's available by F5)

Have lucky!

User groups can only have 1 colour.
They cannot have more than 1 selected colour.