Of color in the room did not have to use many colors, but one or two colors can make the room more interesting. As implemented in a luxury apartment, where the room was very charming though only use one color only.This monochrome duplex apartment of about 280m² with a large terrace is designed by Paris-based architectural studio Pascal Grasso Architectures. It’s located in the center of Paris and features a quite complex walls geometry. There are a lot of plaster boxes on walls and floors. Some of them are just decorative elements while some other conceal functions like lighting, air-conditioning, a sound system and ventilation.