To be safe, choose one with pastel color or simply white, black, grey, or red couch. This will make the living room looks bigger. As for the design, choose one that is not too big or wide and choose one that is not too high, choose that is quite low. L shaped couch living room ideas are various in the market. You will find intriguing designs of L shaped couch with various colors and materials. However, before deciding which couch that you want to buy, you should consider the situation of the place where you want to put the couch in. The size of the living room gives very big part of consideration in choosing the L shaped couch. Living Room.