Color and pattern male

Head and neck-crest: dark red-brown.

Neck- and saddle-hackle : red-brown with black shaft-striped pattern, are not particularly demanding.

Back, shoulders and wing-bows: dark red-brown.

Tail: main-feathers, sickles glossy green-black.

Primary-flights: black with a brown edge on the outer-web.

Secondary-flights: inner-web black, outer-web red-brown, forming a red-brown wing-bay when the wing is closed.

Breast, belly, thighs, and fluff: black.

Down: dark-grey.

Color and pattern female

Head and neck-crest: brown.

Neck-hackle: light reddish-brown with black shaft-striped pattern and bright golden-yellow vein, are not particularly demanding.

Shoulders, back, saddle, and wings: brown, each feather has a bright golden-yellow vein and coarse black peppering.

Tail: black, steering- feathers with some brown pattern on the upper two.

Breast: salmon-colored.

Belly: light salmon-colored.

Thighs and rear-part: greyish-brown.

Down: dark-grey.

Serious faults male and female

A lot of  white in tail and wing-flights. Female feathers with a sharp, evenly widthwise, shiny gold lace (flitter) and a lack of peppering on the shoulders and wing-coverts.

Faults male and female

Serious faults to a lesser extent. Peppering is too fine.

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