Your quilt is gorgeous. Your DD will love it no matter what color you use for the binding. How about something like this:
http://www.thousandsofbolts.com/inde...29&ParentCat=9
Click on the "view close-up image" to see a 2X2" square. See how in the binding those flowers would just look like little blue squiggles.
Another idea is to use blue binding and then switch to red as you go around the corners.