Chromaticity refers to the quality of a color, defined by its hue and saturation, but not its brightness. It helps in identifying colors in a way that is independent of the light's intensity. Chromaticity is often represented in a two-dimensional space, where one axis indicates hue and the other indicates saturation, allowing for a clear visual representation of different colors. In various fields, such as photography, television, and lighting design, understanding chromaticity is essential for accurate color reproduction. It plays a crucial role in ensuring that colors appear consistent across different devices and environments, enhancing the overall visual experience.