In terms of pure natural wood beauty and attractiveness walnut flooring definitely stands out from the crowd. Unfinished walnut wood flooring has a very rich dark brown color to it with overtones of deep purple and black. A finished walnut floor looks very smooth and improves beautifully over time with age. Hardwood floors in general, and walnut hardwood floors in particular, look elegant, are durable, are simple to maintain, they do not house a plethora of allergens like carpets do, and they can add additional value to your home.