Duif color
Koper
A deep orange-brown with a metallic glint: copper eyes of British Shorthair and Persian cats, Black Copper Marans hackles, copper satin rabbits, copper bettas.
1 Duif breed lists Koper. It is in a club standard for 1 breed.
Breeds whose standards accept Koper
| Breed | NPA |
|---|---|
| Tippler | Standaard (“Self colored; Mottle; Chuck; Tipplers are permitted to be any color, pattern or marking”) |