Border Collie

Coat

Black

Solid:
Tan: with , or (less preferred), in the traditional or creeping pattern. Points may be brindled.
Masking: All of the above may be masked (standard mask) with
White Markings: Any of the above colours with or without as trim, or in the irish spotting or piebald pattern.
White should not predominate, and more than 80% white is DQed.
Ticking/Roaning: Allowed.

Merle

Merle: Blue, red, slate, isabella, sable and brindle merle (relaxed).
Tan: Blue, red, slate or isabella merle with , or (less preferred), in the traditional, creeping or saddle pattern. Points may be brindled.
Masking: All of the above may be masked (standard mask). Mask is (should match base colour - black in black-based, liver in liver-based etc).
White Markings: Any of the above colours with or without as trim, or in the irish spotting or piebald pattern.
White should not predominate, and more than 80% white is DQed.
Ticking/Roaning: Allowed.

Any Other Variety (AOV)

Solid:
can represent , but it is not preferred. It is differentiated from liver by the nose colour.
Tan: The following combinations are allowed in the traditional, creeping or saddle pattern:
with , or (less preferred) - markings may be brindled, or use one of the above listed brindle combinations.
with , or (less preferred), in the Saddle pattern is also accepted.
Sable: All types of sable are accepted in all of the patterns.
Brindle: One of the following combinations:
with brindling.
with brindling.
Masking: All of the above may be masked (standard mask). Mask is (should match base colour - black in black-based, liver in liver-based etc).
White Markings: Any of the above colours with or without as trim, or in the irish spotting or piebald pattern.
White should not predominate, and more than 80% white is DQed.
Ticking/Roaning: Allowed.

Eyes

Dogz with black pigment have . also accepted, but not preferred.
Dogz with blue or liver pigment have
Isabellas have
Red/cream dogz with a flesh-coloured nose may represent a dog with a dudley nose. These may have eyes without fault.
All colours may have one or two eyes, but this is faulted in all except merles.

Nose

Blues have
Livers have
Isabellas have
Merles may have up to 50% , but more is a DQ.
Cream/red dogz may have
Solid dark brown coat may represent seal dogz - these should have black nose instead of liver.