Discover the top 34 hair color ideas for brunettes in 2025. From bold balayage and soft highlights to rich undertones and playful accents, find trendy shades perfect for short, medium, and long hair. Explore modern and fun styles, complete with expert care tips to keep your color vibrant! Smokey Lavender Hair, Lilac Highlights, Burgundy Balayage, Soft Balayage, Dark Brunette Hair, Hair Color Unique, Grey Hair Inspiration, Blonde Tips, Rich Brunette