Here are some of the most popular hair colors in trend include: Blonde: Blonde hair, particularly shades of ash and platinum blonde, remains a popular hair color choice. Brunette: Rich, warm shades of brown are also a popular hair color choice, particularly for those who want a more natural look. Red: Red hair, from fiery copper to soft auburn, has been growing in popularity in recent years. Ombre and Balayage: Ombre and Balayage hair coloring techniques, which involve graduating from one color to another, are also becoming increasingly popular. It's important to note that trends in hair color can change quickly, and what is popular one year may not be the next. Ultimately, the most popular hair color is the one that makes you feel confident and beautiful.