Color and pattern male

Head: silver-white.

Neck: hackle silver-white, each feather with a glossy green-black middle-stripe, running almost parallel to the edge, ends in a point near the tip; shaft black; front of the neck glossy green-black.

Back, shoulders and wing-bows: silver-white.

Wings: front black; greater-coverts glossy green-black forming a wing-bar when the wing is closed. 

Primary-flights: black with a silver-white lace on the outer-web.

Secondary-flights: black with a silver-white lace on the outer-web, so that a white wing-bay is formed; feather-end black.

Saddle-hackle: similar to the neck-hackle.

Tail: main-feathers black; sickles and coverts glossy green-black, smaller-coverts silver-white laced.

Breast: glossy green-black, with or without narrow white lacing.

Thighs, belly and fluff: black, with or without narrow white lacing in thighs.

Down: greyish.

Serious faults

Insufficient middle-stripes. White in breast. White in sickles and tail. Yellow tint in the ornamental feathers. 

Faults

Serious faults to a lesser degree. Incomplete white wing-bay.

Color and pattern female

Head: silver-grey.

Neck: hackle silver-white to steel-grey, each feather with a broad glossy green-black middle-stripe, slightly laced, running almost parallel to the feather-edge, ends in a point near the tip; shaft black; front of the neck similar to the breast.

Back, shoulders, saddle and wing-coverts: each feather silver-white to steel-grey sharpley black multiple laced, parallel to each other and to the outline.

Primary-flights: black with a silver-white to steel-grey lace on the outer-web.

Secondary-flights: inner-web black, outer-web silver-white to steel-grey with black lacing stripes running approximately parallel to the feather outline. 

Tail: main-feathers black, both upper feathers black with silver-white to steel-grey; coverts similar to the back.

Breast: similar to the back, lacing extend to the throat.

Thighs and belly: soft-grey with black multiple lacing.

Fluff: soft-grey.

Downs: greyish.

Serious faults

Too weak or incorrect lacing.  Too rusty, too grey-brown or peppered ground-colour.  

Faults

Serious faults to a lesser degree.

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