Color - (Saturation|Chroma|Intensity) (Purity of a hue)


The third descriptive quality of colour is saturation, also known as chroma or intensity.

It defines the degree of purity of a hue.


  • is a (comparative|relative) property
  • is linear and progressive (like lightness)



  • The beginning of a saturation scale is a colour that is hue-intense
  • The end step is a colour so muted that its hue can't just be identified.

The purity of hue, the contrast between:

The saturation scale is hue based while the grayscale is without hue

Documentation / Reference

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