What term is used to indicate hair color that contains red, orange, yellow, or gold tones?

The term used to indicate hair color that contains red, orange, yellow, or gold tones is "warm." Warm tones are typically associated with colors that evoke a sense of heat and brightness, creating vibrant and lively appearances in hair color. For example, hues like golden blonde, copper, or auburn are characterized as warm because they reflect these warm undertones.

In contrast, cool tones encompass shades that carry blue, green, or violet undertones, such as ash blonde or cool brown. Neutral tones blend both warm and cool undertones and do not strongly lean towards either category, providing a more balanced and muted appearance. The term "dark," on the other hand, refers to the depth of color rather than the warmth or coolness of the tones present. Therefore, identifying colors as warm directly relates to the specific hues that contain red, orange, yellow, or gold, making "warm" the precise term for this descriptor in hair coloring.