Color and pattern male and female

Male and female are virtually identical in color and patter. Base color is pure white. Plumage is covered with clearly defined, jet-black spots, which vary in shape and size and are distributed as evenly as possible.

Serious faults

Yellow or gray tint. Severely unevenly distributed black spots. Spots alternating with white or heavily frayed.  Black shaft-stripes in the neck-hackle. Feathers other than white and black.

Faults

Serious faults occur 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