Advanced Horse Coat Color Calculator Father’s Eye Color Select Eye Color Brown Blue Green Hazel Mother’s Eye Color Select Eye Color Brown Blue Green Hazel Paternal Grandfather’s Eye Color Select Eye Color Brown Blue Green Hazel Paternal Grandmother’s Eye Color Select Eye Color Brown Blue Green Hazel Maternal Grandfather’s Eye Color Select Eye Color Brown Blue Green Hazel Maternal Grandmother’s Eye Color Select Eye Color Brown Blue Green Hazel Calculate Possible Eye Colors