Hansa Yellow is a synthetic Arylide Yellow pigment used in inks, oil paint, acrylic paint and other applications. Hansa yellows were first made[by whom?] in Germany just before World War I and are ASTM II lightfast and semitransparent.
Hansa yellow is not a modern synthetic replacement for cadmium yellow. While Cadmium paint is by nature, opaque, Hansa yellow provides a degree of translucence. It makes more intense tints and cleaner secondary colors in mixtures with other synthetic pigments when properly mixed.
See also 
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