Grayish brown is a color that is often described as a mix of gray and brown. The term is used to describe a range of shades, from light to dark. Taupe (5 letters), DUN (3 letters), ecru (4 letters), and sepia (5 letters) are all terms used to describe various shades of grayish brown. Taupe is a light grayish brown, DUN is a medium grayish brown, ecru is a light yellowish grayish brown, and sepia is a dark grayish brown.