Product Description A bright primary yellow, Hansa Yellow is a versatile colour that works well in a variety of subject matter. Artist Notes: Hansa Yellow is an excellent mixing colour that can easily be used to adjust the temperature of other colours. Opacity: Semi-Opaque Paint Makers Notes: Arylide pigments were first developed in Germany at the beginning of the 20 th century. Pigment Number : PY 74 Pigment Type : Synthetic Organic Pigment Composition : Arylide yellow Lightfastness : II Very Good Toxicity : Non-Toxic