There are many beautiful and popular colors in the Rocky Mountain Horse breed. Because of the popularity and high demand for chocolate with flaxen (sometimes almost white) manes and tails, people often think it is the primary color of the breed. However, there are many beautiful colors in addition to chocolate. There are blacks, bays, chestnuts, red chocolates, sorrels, roans, palominos, buckskins and duns, to mention a few. Within the chocolate coloring, there are variations from light to dark.

Only solid body colors are accepted for regisration and certification. There are no paint, appaloosa, spotted or all white horses in the Rocky Mountain Horse registry. When the RMHA was formed, the breed standards established solid body color requirements, with definitive limits for minimal markings.