These are extra fine ground dry pigments for coloring, mixing and tinting. They can be used to tint paint, enamel, fillers, shellacs, lacquers or any type liquid requiring color. They are also used for spot color replacement on all types of furniture. Because of fineness, they mix readily with any of the above mentioned mediums to produce smooth opaque finishes. Make a smooth paste with the proper thinner before adding the heavier bodied liquid. Also known as Zinc Chrome Yellow, Buttercup Yellow, Lemon Yellow. It is a pigment consisting of zinc chromate ZnCrO4.