Reddish brown colors are often used in art and design, and there are several shades that can be used to create a desired effect. Hennas, rusts, and umbers are all reddish brown colors that can be used for this purpose. Hennas is a shade of red-brown that is often used in hair dye and henna tattoos. Rusts is a shade of orange-brown that is often used in paints and pigments. Umber is a shade of dark brown that is often used in oil paints and pastels. All three of these reddish brown colors can be used to create a variety of effects in art and design.