Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by function]
6. colorant (material)
7. pigments
8. [pigment by color]
9. green pigment
10. composite green pigment
11. chrome green (pigment)

Anotations

Scope note:

A green pigment originally prepared by the nearly the same process as Prussian blue, but produced by omitting the hydrochloric acid step that converted the green to blue. Beginning in the mid-19th century, Prussian green sold commercially as a mixture of Prussian blue and a yellow pigment.