Buff blue-columbian
Color and pattern male
Head: buff.
Neck: each hackle-feather with a medium-wide bright-blue shaft-stripe, surrounded by a narrow buff lace running around the tip; front of the neck buff.
Back and shoulders: buff, below the neck-hackle buff and blue.
Saddle-hackle: buff or buff with black shaft-stripes, similar to the neck-hackle, extending from the tip of the feather no more than halfway down.
Tail: steering-feathers bright-blue; support-feathers bright-blue with buff lacing; sickles and coverts bright-blue; smaller-coverts with narrow buff lacing.
Wings: bow buff, may be partly bright-blue; wing-arch and wing-bar buff.
Primary-flights: bright-blue with buff lace on the outside of the outer-vane.
Secondary-flights: inner-vane bright-blue with buff lace that runs around the feather tip; outer-vane buff so that when the wing is closed it is complete buff .
Breast, flanks, thighs, belly and rear-part: buff.
Down: blue-grey.
Serious faults
Insufficient or broken shaft-stripes in the neck-hackle. Buff in the sickles. Strong presence of bright-blue in parts that should be buff on the surface. Feather-groups varying in color-depth..
Faults
Serious faults to a lesser degree. Insufficient pattern in tail support-feathers and wing-flights. Presence of entirely black or partially black feather areas within blue. Blue color that is far too dark or far too light.
Color and pattern female
Head: buff.
Neck: each hackle-feather with a medium-wide bright-blue shaft-stripe, surrounded by a narrow buff lace running around the tip; front of the neck buff.
Back and shoulders: buff, below the neck-hackle buff and blue.
Tail: steering-feathers bright-blue, except for the top two feathers, which are faintly buff laced; coverts bright-blue with narrow buff lace.
Wings: bow and coverts buff.
Primary-flights: bright-blue with buff lace on the outside of the outer-vane.
Secondary-flights: inner-vane bright-blue with buff lace running around the tip; outer-vane buff so that when the wing is closed it is complete buff .
Breast, flanks, thighs, belly and rear-part: buff.
Down: blue-grey.
Serious faults
Insufficient or broken shaft-stripes in the neck-hackle. Strong presence of blue in parts that should be buff. Feather-groups varying in color-depth.
Faults
Serious faults to a lesser degree. Insufficient pattern in wing-flights. Presence of entire or partial black feather areas within blue. Blue color that is far too dark or far too light.
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
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