Browns can give an earthy element to a design. This gender-neutral shade is cropping up in dens, libraries, and small nooks to add an air of sophistication. Browns and tans are warm tones that are great for layering.
Complimentary colors for brown are yellows, reds, and oranges. Contrasting colors are typically other neutrals like blacks, whites, and tans. You may also want to consider a rug made out of natural brown fibers, such as sisal or jute. It can add a touch of nature and make the space seem more open.