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