Copper-neck

Color and pattern male and female

Body-plumage: matte-black.

Neck-hackle: black laced with copper-red.

Saddle-hackle male: black laced with copper-red.

Breast color: matte-black or matte-black with some copper-red pattern.

Back and shoulders male: copper-red.

Down: dark-grey.

Serious faults 

All-white feathers. Very glossy plumage. Copper-yellow instead of copper-red hackle.

Faults 

Serious faults to a lesser degree. Too little copper-red pattern on the neck-hackle.

 

 

Genetic code: https://kippenjungle.nl/Overzicht.htm

Website from Henk Meijers with all available information regarding chicken genetics including the world famous 

Chicken Color Calculator