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 Gray Black mare with coat the (G) gene acts on the base coat promoting progressive lightening throughout the horse's life until reaching very pale or completely white tones. Entirely black coat, with no dilutions and no Agouti gene action restricting black pigment to the points., can produce 4 different coat colors: Gray Black (44%), Black (44%), Gray Chestnut (6%) and Chestnut (6%). Results vary according to the genotype of each parent — use the filters above to explore specific combinations.