Color and pattern male

Head and neck: bright blue with brown admixture

Saddle: bright blue with brownish-yellow admixture; a distinct marking is not desired

Back and shoulders: bright blue with golden-yellow admixture. The golden-yellow color is abundantly present on the back

Tail: bright blue; some white at the base of the main sickles is permitted

Large flight feathers: bright blue. Small

flight feathers: inner vane bright blue, outer vane colored light yellow, showing a light yellow wing triangle when the wing is closed

Breast: bright blue

Belly, abdomen, and thighs: bright blue

Down color: gray

Serious faults

absence of markings in the outer vane of the small flight feathers, absence of the base colour in the neck and saddle hackles; too dark or irregular blue colour, black or white feather parts where blue is required

Faults

the above-mentioned serious faults occurring to a lesser extent. Excessive white (dappling) in the tail

Color and pattern female

Head and neck: bright blue with a cream to light golden-brown indistinctly bordered feather margin; this feather margin does not enclose the feather.

Back, shoulders, and saddle: cream to light golden-brown with some admixture of bright blue.

Large flight feathers: bright blue

Small flight feathers: inner vane bright blue, outer vane cream to light golden brown with some bright blue admixture.

Tail: tail feathers bright blue, coverts cream to light golden brown with bright blue admixture

Front of neck: cream to light golden brown. The vein is slightly lighter and clearly distinguishable

Breast: cream to light golden brown. The vein is slightly lighter and clearly distinguishable.

Belly, abdomen, and thighs: cream to light golden brown with some dark gray discoloration on the abdomen

Down color: gray

Serious faults

excessive bright blue color admixture in the breast; distinct shaft stripe pattern in the neck where the ground-colored feather edge runs around the tip; peppering and edging on back, shoulders, and saddle; blue color that is too dark or irregular, black or white feather parts where blue is required

Faults

the aforementioned serious faults occurring to a lesser extent.

Note: the golden-yellow and cream-colored feather parts may be slightly lighter in color under the influence of dilution by blue.

Genetic code: https://kippenjungle.nl/Overzicht.htm

Website from Henk Meijers with all available information regarding

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Chicken Color Calculator