Originally made from berries, this true lightfast color is a predictable mixture that can be easily warmed with Hansa Yellows or cooled with blues. Pigment: Diarylide yellow HR 70, copper phthalocyanine (PY 83, PB 15:1) Vehicle: Alkyd resin, refined linseed oil Lightfastness I, Series 2, TRANSPARENT, MSDS