Ask A Designer: Long Bedroom with Contrasting Wall

Q. I would like your opinion about a few ideas for my new bedroom. The room is long with a sitting area on one side. I plan to place the headboard on the smaller wall even though the model has the bed going the other way. My bed is a platform bed with lights around the headboard. I want to make the wall a contrast wall—but I don’t want a busy wall covering, because it would take away from the lights. I have art, but I’d rather treat the wall and keep it simple. Is there a color of paint …