We used Bibbidi Bobbidi Blue for the boys' nursery - it was the perfect shade of baby blue. I had a tough time putting a Princess color in a boy's room, but I liked it a little better than the 100 Acre Morning, which had a touch more grey.
One thing that is important to note, though, about getting the Disney paints - only buy as much as you'll need. Unlike the standard Behr paint colors, you can't return unused cans because they are considered custom. I still think this is strange because it doesn't seem any more custom than the colors you have mixed from the standard Behr paint chips, but for whatever reason, that's what their policy is.