exterior shot dark walnut is an elegant and timeless material that adds a sophisticated and professional look to an office the style that suits desks and furniture made of dark walnut depends on the overall concept of the space and personal preferences but here are some recommendations 1 classic style colors beige cream white light gray or muted earthy tones accessories leather armchairs preferably in dark brown or black brass or gold details lamps handles decorations framed paintings elegant clocks a high quality persian rug architecture