Gamblin Artist Oil Ultramarine Blue
A great glazing color, warm Ultra Blue is one of the few mineral colors that is completely transparent. It is lightfast with a moderate tinting strength. Consider using Alizarin Permanent instead of Alizarin Crimson to mix violets.
Pigment: Complex silicate of sodium & aluminum with sulfur (PB 29)
Vehicle: Alkali refined linseed oil
Lightfastness I, Series 2, TRANSPARENT