M. Graham & Co's Hansa Yellow oil paint is PY3 pigment and walnut oil. Lightfast Rating - Very Good Opacity Rating - Semi Transparent Drying Time - Slow Hansa Yellow is a bold, primary yellow. Brighter and less opaque than Cadmium Yellow Light, and cooler than Azo Yellow. In the tradition of the masters, M. Graham artists’ oil color is made with pure walnut oil for its brilliance, clarity, texture, and resistance to fading and yellowing. Working in small batches, they craft oil colors true to the roots of Renaissance painting: delicately free-flowing, solvent-free, and with no fillers or additives. With the exceptionally high pigment loads in M. Graham artists’ oil colors, your work will naturally feel more alive and vibrant, imbued with rich, lustrous color for years to come.