Series 4 Winton is a traditional range of oil colors made from moderately priced pigments, formulated for student and amateur artists or more accomplished painters who require large volumes of color within a moderate cost range. Every Winsor & Newton Artists' Oil Colour is individually formulated to enhance each pigment's natural characteristics and ensure stability of colour.By exercising maximum quality control throughout all stages of manufacture, selecting the most suitable drying oils and method of pigment dispersion, the unique individual properties of each colour are preserved. Combined with over 170 years of manufacturing and quality control expertise, the formulation of Artist's Oil Colour ensures the best raw materials are made into the World's Finest Colours.105 Individual Colours available. Colours displayed onscreen on our website are representative only and the actual colour may differ slightly.