Great + Great + Carob Nut + combined total of 4 race wins = 50% Blue, 50% Green
Blue + Green + Carob Nut + combined total of 9 race wins = 100% Black
Black + Wonderful + Zeio Nut + combined total of 12 race wins = 100% Gold

3-10 battles for parents to mate again
3-18 battles for newborns to mature