Historically a very expensive ground lazurite pigment, synthetic pigment has been used since the 1830's making it one of the most popular and affordable blues, Yves Klein blue is mostly Ultramarine. (Series 2)

Golden Fluid Acrylics are highly intense, permanent acrylic colours with a consistency similar to heavy cream. Produced from lightfast pigments, not dyes, they offer very strong colours with very thin consistencies. No fillers or extenders are added and the pigment load is comparable to Golden Heavy Body Acrylics.