Furness

Color and pattern male 

Plumage: black, with brassy wing-bows, wing-bays, saddle-hackle, brassiness to be allowed in hackles and on back.

Color and pattern female 

Plumage: black with salmon breast, brassiness allowed on wings, back, cushion and 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