Color and pattern male 

Head: dark orange-red.

Neck- and saddle-hackle, back, shoulders and wing-bow: orange-red.

Tail, wing-flights, front of neck, breast, thighs, belly and fluff : bright-blue.

Down color: grey

Serious faults

Completely white, black, or other colored feathers. Partially off-colored feathers in wings and tail. Too dark or rust-colored ground-color. Too faded or broken color in the red feathers. Visible wing-bay.

Faults

Serious faults to a lesser degree.

Color and pattern female 

Head: red.

Neck-hackle: red, some blue permitted.

Back, shoulders, wings, saddle, tail, front of the neck, breast thighs, belly and fluff: bright blue.

Down color: grey.

Serious faults 

Complete white, black or other colored feathers.  Clear markings, except in the neck-hackle.

Faults

Serious faults to a lesser degree.

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