Thanks for the feedback. I'll submit additional color combinations, and if the client has a specific color request, just ask...I'll be happy to make adjustments.
Also, once your contest is in judging mode, you can ask the first ranked designer to make revisions. You can move different designs in and out of first place in order to see revisions by different designers (we're not allowed to enter new concepts when the contest is in judging mode, though, just revisions).
Peggy