All color making is done by hand, and processes are controlled by artists. Pigments are ground in stone rather than metal rollers.
Color Swatch created using heavy application/diluted application and was applied on cold press watercolor paper (150 lb) material.
Nickel dioxine yellow is a semi-transparent, lightly staining yellow pigment with high tinting strength, although less than that of the diarylides. It is considered a good color match for Indian Yellow, a historic pigment that is no longer available. Drying time is average.
Nickel Dioxine Yellow has excellent lightfastness.
Nickel metal is toxic and may irritate skin.
Dioxine Yellow Nickel.
Benzimidazolone Yellow is a greenish yellow pigment with dull tints and an average drying time. It mixes very cleanly. It mixes cleanly with both Phthalo Green and Titanium White. Although more expensive than many Hansa and Diarylide pigments, its mixing properties, durability, and lightfastness have won it many customers.
Benzimidazolone Yellow has excellent lightfastness and durability. This has made it an extremely important pigment in the printing industry, for applications where lightfastness is a primary consideration. Though it is not absolutely lightfast, it ranks extremely well among organic yellows.
Benzimidazolone Yellow is not considered toxic.
The benzimidazolone group of pigments was developed and patented in 1960 by Hoechst A.G., a German chemical manufacturer that was a forerunner of the pharmaceutical company Aventis.
copper azomethine green
A transparent greenish yellow pigment with low tinting strength.
Pigment PY129 has been reported to have very good lightfastness.
Pigment PY129 is not considered to be hazardous.
Pigment Yellow PY129 has been used in automotive coatings.
Magnacryl Azomethine Yellow
® Old Holland is a registered trademark.