The cross between a Roan Chestnut stallion, whose 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. Base coat with a reddish body, mane and tail, with no black pigment., and a Roan Dark Brown 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. Dark brown coat, often nearly black, with black points, expressed over the bay base., can produce 8 different coat colors: Roan Bay (38%), Roan Chestnut (26%), Bay (13%), Chestnut (9%), Roan Black (6%), Roan Dark Brown (4%), Black (2%) and Dark Brown (1%). Results vary according to the genotype of each parent — use the filters above to explore specific combinations.