The cross between a Roan Dark Brown 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. Dark brown coat, often nearly black, with black points, expressed over the bay base., and a Paint Chestnut mare with coat the (To) gene acts on the base coat forming large, well-defined white patches across the body and legs. Many cases also inherit blue eyes. Base coat with a reddish body, mane and tail, with no black pigment., can produce 16 different coat colors: Paint Roan Bay (13%), Paint Bay (13%), Roan Bay (13%), Bay (13%), Paint Roan Chestnut (9%), Paint Chestnut (9%), Roan Chestnut (9%), Chestnut (9%), Paint Roan Black (2%), Paint Black (2%), Roan Black (2%), Black (2%), Paint Roan Dark Brown (1%), Paint Dark Brown (1%), Roan Dark Brown (1%) and Dark Brown (1%). Results vary according to the genotype of each parent — use the filters above to explore specific combinations.