The ultimate low staining glazing pigment certainly finer than any burnt sienna for the traditional and purist watercolour painter quinacridone sienna divides yellows from reds falling on the orange line its place on the colour chart makes quinacridone sienna a complement free pigment easy to modify without revealing a hidden gray quinacridone sienna works especially well in damp under paintings or over painted with full bodied pigments such as indigo or paynes gray the fine clear quin