You want to keep some of the girls with black in their feathers in your breeding pens. This makes the buff color more gold and is an asset in breeding them.
BUFF ORPINGTONS
COLOR MALE AND FEMALE
COMB, FACE, WATTLES AND EAR-LOBES: Bright red.
BEAK: Pinkish white.
EYES: Reddish bay.
SHANKS AND TOES: Pinkish white.
PLUMAGE: Surface throughoutand even shade of rich golden buff.
Male -- head, neck, hackle, back, wing bows and saddle showing greater luster.
Female hackle, some luster.
Undercolor matching surface as near as possible.
Definition of Buff: A medium shade of orange-yellow color with a rich golden cast; not so intense as to show a reddish cast, nor so pale as to appear lemon or light yellow. The term is generally used in referring to the plumage color of all Standard Buff varieties of poultry.
STANDARD WEIGHTS
Cock
. 10 lbs. Hen
8 lbs.
Cockerel
. 8½ lbs. Pullet
7 lbs.
SHAPE--MALE
COMB: Single; of medium size, set firmly on head, perfectly straight and upright; with five
well-defined points; those at front and rear smaller than those in the middle;
fine and texture; blade closely following shape of head.
BEAK: Short, stout regularly curved.
FACE: Clean-cut and free from coarseness.
EYES: Large, round, prominent.
WATTLES: Medium in size, well-rounded at lower edges.
EAR-LOBES: Medium size, oblong, smooth.
HEAD: Medium in length, broad, deep.
NECK: Rather short, slightly arched, with abundant hackle.
BACK: Broad, Flat at shoulders, rather long, width carried well back to base of
tail; rising with a slight concave sweep to tail.
Saddle feathers of medium length, abundant.
TAIL: Moderately long, well-spread, carried at an angle of twenty-five degrees (25°) above horizontal, (figs. 10-11): forming no apparent angle with
back where those sections join.
Main Tail Feathers broad and overlapping.
Main Sickles of medium length, spreading laterally beyond main tail
feathers.
Lesser Sickles and Coverts of medium length, nicely curved, sufficiently
abundant to cover main tail feathers.
WINGS: Of medium size, well-folded carried horizontally.
Front well-covered by breast feathers. Points well covered by saddle
feathers.
Primaries and Secondaries broad and overlapping in natural order when
wing is folded.
BREAST: Broad, deep, well-rounded and well filled in all parts.
BODY AND FLUFF: Body Broad, deep, moderately long, straight, extending
well forward.
Lower body feathers, not to profuse.
Fluff moderately full, showing profile of hocks.
LEGS AND TOES: Legs set well apart, straight when viewed from front.
Lower Thighs large, moderately short, well feathered.
Shanks moderately short, stout, smooth.
Toes four on each foot, of medium length, straight, well-spread.
SHAPE -- FEMALE
COMB: Single; of medium size, set firmly on head, perfectly straight and
upright; with five well-defined points; those at front and rear smaller than those in the middle; fine and texture
BEAK: Short, stout regularly curved.
FACE: Clean-cut and free from coarseness.
EYES: Large, round, prominent.
WATTLES: Medium in length, fine in texture, well-rounded.
EAR-LOBES: Medium in size, oblong, smooth.
HEAD: Medium in length, broad, deep.
NECK: Rather short, slightly arched, nicely tape ring to head, having
moderately full plumage.
BACK: Broad, rather long, width carried well back to base of tail; rising with a
gradual incline to tail.
TAIL: Moderatly long, well-spread, carried at an angle of fifteen degrees (15*)
above horizontal, (figs. 10-11).
Main Tail Feathers broad and overlapping.
Covers abundant.
WINGS: Of medium size, well-folded carried horizontally, fronts well covered
by breast feathers.
Primaries and Secondaries broad and overlapping in natural order when
wing is folded.
BREAST: Broad, deep well-rounded; well-filled in all parts.
BODY AND FLUFF: Body moderately long, broad, deep, straight, extending
well forward; lower body feathers, not too profuse.
Fluff moderately full, showing profile of hocks.
LEGS AND TOES: Legs set well apart, straight when viewed from front.
Lower Thighs large, moderately short, well feathered.
Shanks moderately short, stout.
Toes four on each foot, of medium length, straight, well-spread.