Single Pigment Colours - Our quality standards include the use of single pigments wherever possible to create individual colours. Combined with strength of colour, single pigments ensure clean, accurate mixing to provide you with endless colour possibilities. There are 74 single pigment colours in the range. Highest Quality Production - Our perfectly formulated, oil paint is only possible with decades of research, expertise, and the highest quality production methods; a precise, scientific process that guarantees that every colour is flawlessly created for the highest quality finish. Optimal Balance of Pigment to Oil - Every Winsor & Newton Oil Colour is made with fine art pigments and formulated to enhance each pigment’s natural characteristics – providing excellent tinting strength and coverage to ensure every colour performs as it should. Lightfast and Permanent - So that you can trust in the longevity of your work and leave a lasting impression, oil colours across the ranges have been tested for lightfastness and permanence and boast some of the best ratings (at least AA or A) of any oil paints on the market – truly retaining their brilliance over time. Series: 2/Color Code: 322/Color Index: PB15, PB29, PBk7