A brilliant white floor allows the smallest hints of neon color to pop in this Scandinavian bedroom. Bright white makes even small rooms look spacious, and employing one color throughout keeps costs down for a bedroom overhaul. (For this 660-square-foot apartment in Helsinki, desinger Susanna Vento renovated the entire space for less than $4,000.) Photo by Petra Bindel. Image courtesy of Petra Bindel.