For exmple, 6A may say "light brown ash" or "dark blonde ash".
IGK Permanent Hair Color Kit | 5N Back To Brown Natural Brown | Salon-Quality Permanent Hair Dye | 100% Gray Hair Coverage | Ammonia-Free Color for Shinier, Softer Hair
One N' Only Permanent Hair Color - Permanent Hair Dye Made with Argan Oil - Delivers Rich, Accurate Tones with Gray Coverage - Improves Moisture & Elasticity - 4N Medium Natural Brown (3 oz)
Polar Haircare - Dark Brown Hair Dye Shampoo for Women and Men - Shampoo Hair Dye for Gray Hair, Semi-Permanent Hair Color Kit, Lasting Natural Coloring Formula, Quick Application Skin-Safe 6.76 Fl Oz
Korean Permanent Hair Dye, Powder Hair Color Kit, Medium Brown, Gray Hair Coverage, Plant-Based Formula, Easy Application for Roots, Short & Long Hair, Vegan, Just Mix with Water (3 Powder Packets)
Light Mountain Henna Hair Color & Conditioner – Red Hair Dye, Organic Henna Leaf Powder and Botanicals, Chemical-Free, Semi-Permanent Hair Color + 4 Hair Clips
Seven Eight Odorless Semi-Permanent Hair Color Cream, No. 6 Natural Brown, Ammonia-Free At-Home Hair Dye for Gray Hair Coverage, 7-8 Minute Fast Color, Patented UV Protection, Korean Hair Color