Here is a quote from the AKC website regarding min pin colors :
Color
Solid clear red. Stag red (red with intermingling of black hairs). Black with sharply defined rust-red markings on cheeks, lips, lower jaw, throat, twin spots above eyes and chest, lower half of forelegs, inside of hind legs and vent region, lower portion of hocks and feet. Black pencil stripes on toes. Chocolate with rust-red markings the same as specified for blacks, except brown pencil stripes on toes. In the solid red and stag red a rich vibrant medium to dark shade is preferred. Disqualifications -Any color other than listed. Thumb mark (patch of black hair surrounded by rust on the front of the foreleg between the foot and the wrist; on chocolates, the patch is chocolate hair). White on any part of dog which exceeds one-half inch in its longest dimension.
Gait
