What are the AKC accepted colors?

Black – Shall be a glossy black.

Blue – Shall be a pure steel blue.

Fawn with black mask – Base color should be a yellow gold with black mask.  

Brindle – Base color is a golden brown and always brindled with strong black cross stripes, a black mask is also preferred.  

Harlequin – White base color with black irregular patches. A pure white neck is preferred.  

Mantle ( Boston ) – Black and white with solid black blanket extending over the body. Black skull with white muzzle and a whole white collar is preferred