Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Visual and Verbal Communication (hierarchy name)
4. Information Forms (hierarchy name)
5. information forms (objects)
6. document genres
7. [documents by form]
8. graphic document genres
9. charts (graphic documents)
10. color charts

Anotations

Scope note:

Circular charts with wedge-shaped segments of contiguous spectral hues comprising primary colors (e.g., red), secondary colors (e.g., orange), and tertiary colors (e.g., red-orange), with complementary colors (e.g., orange and blue) placed opposite one another. Color wheels may vary depending upon whether they are intended to illustrate mixing of colored pigments, color perception, or color psychology.