the name of a color is called a hue

Amyra says:

In the world of color theory, a “hue” refers to the purest form of a color. It’s essentially what we commonly think of as the color itself, such as red, blue, yellow, etc. In technical terms, a hue is determined by the dominant wavelength of light that it reflects or emits.

Additionally, when discussing colors, hue is often accompanied by terms like saturation and brightness, which together make up the HSB (Hue, Saturation, Brightness) color model used in various color systems. Saturation refers to the intensity or purity of the hue, while brightness (sometimes referred to as value or lightness) represents how light or dark the color appears.