Hierarchy classification:

1. top of the aat hierarchies
2. Physical Attributes Facet
3. Color (hierarchy name)
4. colors (hues or tints)
5. chromatic colors
6. blue colors
7. variable blue colors

Anotations

Scope note:

Colors in a range of a greenish blue, used in photography and color printing; it is one of the primary subtractive colors. The name is ultimately based on cyanine, which it resembles in color, although it is distinguished by its status as a primary subtractive color.