Hierarchy classification:

1. top of the aat hierarchies
2. Physical Attributes Facet
3. Color (hierarchy name)
4. [color and color-related phenomena]
5. color (perceived attribute)
6. color-related attributes

Anotations

Scope note:

Describes the representation of monochrome continuous-tone digital images. Grayscale images differ from one-bit black and white images in that they are composed of levels of intensity in stages from black to white, not merely black or white.