What color is a Feist dog?

What color is a Feist dog?
Feists, including the recognized Treeing and Mountain Feist breeds, can come in any color, color combination, or pattern. Many Feist pups, similar to Jack Russells and Rat Terriers, sport predominantly white coats with brown, tan, red, or black patches, but there is no set standard. Some Feist dogs display tri-color patterns, typically seen as black, white, and tan or brown, white, and tan.
The head coloration of Feist dogs can be as varied as their body. Their heads can be solid-colored, matching the body, or they can feature distinct markings such as a blaze, which is a white stripe down the center of the face, eye patches, or a solid-colored mask that contrasts with the rest of the body.