Color and pattern of the male

Head: orange-red.

Neck: hackle goldish, each feather has a narrow mingled bright-blue middle-stripe, running almost parallel to the edge ending in a point near the end; the upper-part is separated by a golden shaft; front of the neck bright-blue.

Back and shoulders: gold-red.

Saddle-hackle: goldish, preferably without middle-stripes.

Tail: main-feathers, sickles and coverts bright-blue.

Wings: front and wing-bar bright-blue.

Primary-flights: bright-blue with a narrow, brown edge on the outer-web.

Secondary-flights: inner-web and tip bright-blue, outer-web brown forming a brown wing-bay when the wing is closed.

Breast, belly and fluff: bright-blue for the most part with a narrow light-brown lacing.

Thighs: preferably bright-blue.

Down: grey.

Note

Due to the dilution factor the golden feather-parts slightly lighter than described.

Serious faults

Neck-hackle too red or too yellow. Too dark on wings. Insufficient pattern on the breast. Mottled breast. White in wing-flights. Rusty blue. Too dark or too light blue.

Faults

Serious faults to a lesser extent. Incompletely colored wing-bay.

Color and pattern of the female

Head: orange-reddish brown.

Neck: hackle goldish, each feather with a narrow mingled bright-blue middle-stripe, running almost parallel to the edge ending in a point near the end; the upper-part is separated by a golden vein; front of the neck bright-blue.

Back, shoulders, wing-coverts, saddle and thighs:  even yellow-brown ground color with a fine, regularly distributed blue peppering and a yellow-white shaft; each feather has a sharp, evenly widthwise, shiny gold flitter edge.

Primary-flights: blue with a narrow grey-brown edge on the outer-web.

Secondary-flights: outer-web similar to the shoulders; inner-web blue.

Tail: main-feathers bright-blue with yellow-brown similar to the back .

Breast: salmon-colored, some flitter permitted.

Fluff and down: brownish ash-grey.

Note

Due to the dilution factor the golden feather-parts slightly lighter than described.

Serious faults

Broad or broken middle-stripes. Excessive rust on wings. Coarse peppering or too dark ground-color. Too light flitter color. Insufficient flitter. Too dark or too light blue.

Faults

Serious faults to a lesser extent.

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