The dark, rich chocolate colors of the hardwood and the lighter-colored sapwood combine to create a flooring surface that is both versatile and sumptuous. Tight grain can give Black walnut floors a more uniform look, though boards with curly or wavy can be found as well, as Walnut often produces a wider variety of grain patterns. Easily stained to a wide variety of colors, Black Walnut flooring creates a stunning look that transforms any residential or commercial interior.