"Using a colorful lamp is the best way to perk up a workspace," Phoebe says. "It's also imperative that a desk be efficient and well lit. Use as bright a bulb as possible here. If space allows and you still need more light, try a pair of lamps on a desktop."
Buy It: Mrs. Howard Lamp ($325) and Paper Shade ($40), available from Mrs. Howard; phoebehoward.net.