Grey-silver

Color and pattern male

Head: silvery-white.

Neck- and saddle-hackle: silvery white with a glossy black shaft-stripe.

Back, shoulders and wing-arch: silvery-white.

Tail: main-feathers, sickles and by-sickles black.

Wings: bow and wing-bar black, wing-flights greyish black with a narrow greyish-white lacing on the outer vane.

Breast: black with silvery-white lacing around each feather, extending as low as possible, feather-shaft whitish.

Thighs, flanks, belly and rear-part: very dark gray with silver lacing

Down: grey, turning white to the skin.

Serious faults

Insufficient shaft striping on the neck- and saddle-hackle. Insufficient lacing on the breast feathers.

Faults

Slight deviation from the standard color and pattern. Insufficient sheen in the black.

Color and pattern female

Head: silvery-white with some black pattern.

Neck-Hackle: silvery-white with a broad black shaft stripe.

Shoulders and back: greyish black, each feather with a white shaft and a fine silvery-white lacing.

Tail: black, coverts slightly patterned.

Wings: wing-bow, wing-coverts and wing-bar are identical to the back; primary - and secondary-flights are grayish-black

Breast: light greyish-black with white shafts and a silvery-white lacing on each feather.

Thighs, flanks, belly and rear-part: light greyish-black with white shafts and a silvery-white lacing on each feather.

Down: grey, turning white to the skin.

Serious faults

Insufficient shaft striping on the neck-hackle. Insufficient lacing on the breast feathers.

Faults

Too black on the back and shoulders. Slight deviation from the standard color and pattern. Insufficient sheen in the black.

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