The dominant colour of the diamond. Sometimes there is a modifying colour or tint that affect the hue. For example, a diamond with a pink hue may have a purplish tint.
The amount of lightness or darkness in the diamond. The range of tone extends from light to dark.
The strength in the pink of the hue. Hue saturation in pink diamonds can range from light to intense, and at the strongest, the saturation is said to be vivid.