Winsor & Newton Artists' Oil Colour 37ml Ultramarine Blue (Green Shade)
Winsor & Newton Artists' Oil Colour Ultramarine (Green Shade) is a transparent rich blue with green undertones. It is mixed with safflower oil and is a permanent color with excellent lightfastness. It differs from the French Ultramarine that have red undertones. French chemist Guimet created synthetic Ultramarine in 1828.
Every tube of Artists' Oil Paint contains a calculated ratio of oil and pigment based on the quantity of oil in the tube. This varies from color to color because, just as some pigments need to be ground finer than others, they also need more, or less, oil to provide optimal performance.
Pigment Color Code: PB29