Trend #3: Darker hardwood floors still popular in 2015. This particular floor is Dark Walnut. From darker browns to espresso, you will can't go wrong. According to the World Floor Covering Association consider the trend toward darker stain colors, such as ebony, for a rich and contemporary look. Or for a more traditional feel, consider a deep, warm Jacobean or dark Walnut. Or maybe go with a Royal Mahogany stain to combine the richness of ebony with the warmth of a red wood - for a truly sophisticated look.