Black coating uses either ruthenium or TIN cobalt black to give a piece of jewelry a light black or completely black appearance. It is very durable and resistant to scratches. Black plating gives the jewelry piece a sense of masculinity and high-tech.
Brown A brown coating gives a piece of jewelry the color of chocolate (dark) or coffee (light) brown. This color of plating is not commonly seen in jewelry, and presents unique and exclusive statement pieces.