The cross between a Black stallion, whose coat entirely black coat, with no dilutions and no Agouti gene action restricting black pigment to the points., and a Roan Black mare with coat the (Rn) gene acts on the base coat by distributing white hairs throughout the body, giving it a roan appearance. The head and legs retain the original base color tones. Entirely black coat, with no dilutions and no Agouti gene action restricting black pigment to the points., can produce 4 different coat colors: Roan Black (44%), Black (44%), Roan Chestnut (6%) and Chestnut (6%). Results vary according to the genotype of each parent — use the filters above to explore specific combinations.