Different shades of the same colors the girls had in their last room. Dressers are already purple and pink so maybe we can add varied shades and possibly a bit more green. Maybe add some orange accent too like in this pic.
Bedroom Decorating Ideas: Older Children
Boy Bedroom Ideas, Boy Bedrooms & Guys Room Decor | PBteen
the boo and the boy: Hanging kids' beds
I am loving this red bedroom when typically I wouldn't. I believe the beige walls and white pillows and other white elements in the room save this from appearing small and dark. That accent wall is really nice.
Emerald green bedroom ceiling
Hollywood Regency bedroom // Love the contrast between the dark purple and the lighter pink and the off-white. And of course the chandelier.