* Black and Tan: This is the most common color, with a black body and rich tan markings above the eyes, on the cheeks, chest, legs, and feet.
* Ruby: This is a rich, deep red color, sometimes with a slight mahogany tint.
* Blue and Tan: This color features a blue-gray body with tan markings similar to the black and tan.
* Liver and Tan: This is a rich brown color with tan markings.
While these are the recognized colors, it's worth noting that some individuals may have slight variations within these color ranges.