The cross between a Paint Chestnut stallion, whose 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., 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 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.