Color and pattern male and female

Silver-white ground- color, each feather, including hackle, wing- and tail-feathers, having a narrow, glossy black lacing, of equal width throughout, extending completely around the feather and visible at the front and back of the feather.

Down blue-gray.

Serious faults

A yellowish tint in the ground color. Broad or insufficiently deep-black lacing. Double lacing. Horseshoe-shaped lacing. Insufficient lacing on the breast and front of the neck. Unlaced throat. Black peppering on the tail.

Faults

The above serious faults occurring to a lesser extent.

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