This alphanumeric sequence identifies a specific shade within a professional hair coloring system. It precisely indicates a formulation designed to impart a particular tone and depth to hair. For example, a stylist might select this identifier to achieve a nuanced copper-red result on a client’s hair.
The accuracy of shade identification is crucial in the salon environment. Correct application ensures predictable and repeatable results, minimizing errors and client dissatisfaction. Understanding these numerical designations also allows for consistent inventory management and streamlined ordering processes for salon professionals. It is the cornerstone of quality control.