2018 Winter Hair Color Ideas for Black Women. Bold and Vibrant hair color shades for the winter 2018 season. This winter it’s time to break free from mundane hair shades of black and brown and enter in the world of color with highlights, ombre and head turning streaks of red. Color can add a fun twist to a boring old hairstyle and can be just the thing you need to freshen up your look and take the new season by storm! Check out the hottest new hair shades you can play around with for the winter 2018 season.