Grey Bathroom Mirror Ideas . And timber can break up the whites and greys which works really well especially with a timber slab across the bathtub! Who says mirrors are limited to the wall? gray bathroom farm sink, round black framed mirror, back wire from www.pinterest.com The color combinations used in this bathroom are reminiscent of de stijl colors. You can think that gray is a boring color but with the right approach, gray can work in an elegant, sophisticated, and stylish bathroom! Plus, the space has cleverly made use of natural light to increase the homey feel.