Color and pattern male and female

Head, hackles, tail and wing-flights: vivid glossy gold-yellow.

Back, shoulders, wings, breast, thighs, belly and fluff: light yellow.

Down: light-buff.

Serious faults 

Uneven color. Color too pale. White in tail, wings or down.

Faults

Serious faults to a lesser degree. Slight peppering in tail or wings. Pale down.

Feather details from:  http://www.kippenencyclopedie.nl

Website from Johan Albada with more than

         5000 photos of chicken-breeds, chicken color varieties and feathers.       

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