Hair Color Levels and Tones

Hair-color level describes visible depth, while tone describes the reflection you see. Numbering and letter codes vary by brand, so use this page as a future terminology guide rather than a formula chart.

Hair-color level is a way to discuss visible depth, and tone describes the reflection within that depth. Salon and manufacturer code systems are not universal. This URL is reserved for a future terminology guide; for now, bring visual references and ask your colorist how their product system describes the result.