Interior Space and Exhibition Design Baoxiang Of Grey Residential House by Haofeng Ma The residential design considers the habits, needs and tastes of each family member. Again according to appeal and building actual situation, rearrange each function area. 'less is more', using simple black, white and grey is the most direct visual touch. This space is designed with grey walls and grey polyurethane floors, and black cabinets to perfectly present the whole space. Designers find a balance between aesthetics and practicality in this space.