Color and pattern of the male

Head: deep golden-bay.

Neck, back, shoulders, wing-bows and saddle-hackle: deep golden-bay, each feather ending in an elongated sharply pointed glossy green-black spangle, proportional in size to the feather.

Tail: feathers golden-bay with black spangles, feathers black mixed with golden-bay permitted; smaller tail-coverts deep golden-bay with slightly elongated black spangles.

Wing-bars: deep golden-bay, each feather ending in a large, almost round, glossy green-black spangle, resulting in two distinct bars across the wing.

Primary-flights: inner-web golden-bay interspersed with black; outer-web golden brown.

Secondary-flights: inner-web black; outer-web golden-bay, fading to black at the feather-tip.

Breast and belly: deep golden-bay, each feather ending in a large, almost round, glossy green-black spangle.

Thighs: similar to the breast, but the feathering below is predominant black.

Fluff: dark blue-grey with brown tinge.

Down: blue-grey.

Serious faults

Too light or too dark ground-color. Spangles that are too heavy, too small or horseshoe-shaped. Absence or near absence of spangling on the hackles.

Faults

Serious faults to a lesser extent.

Color and pattern of the female

Head: warm golden-bay with black markings.

Neck: hackle warm golden-bay, each feather ending in a elongated glossy green-black spangle; front of the neck similar to the breast.

Back, shoulders, smaller wing-coverts, saddle, breast and belly: warm golden-bay, each feather ending in a large, almost round, glossy green-black spangle, proportional in size to the feather.

Tail: feathers golden-bay with black spangles, feathers black mixed with golden-bay permitted; smaller tail-coverts deep golden-bay with slightly elongated black spangles.

Wing-bars: warm golden-bay, each feather ending in a large, almost round, glossy green-black spangle, resulting in two distinct bars across the wing.

Primary-flights: inner-web golden-bay interspersed with black; outer-web golden-bay.

Secondary-flights: inner-web black; outer-web golden-bay, fading to black at the feather-tip.

Thighs: similar to the breast, but the feathering below is predominant black below.

Fluff: dark blue-grey with black tinge.

Down: blue-grey.

Serious faults

Too light or too dark ground-color. Spangles that are too heavy, too small, or horseshoe-shaped. Absence of clear bands across the wings.

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