Winsor and Newton-Winton Oil colour. The Winton line is a traditional range of oil colours. They're made from moderately priced pigments and formulated for student and amateur artists or more accomplished artists requiring large volumes of colour within moderate cost limits. This package contains one 37 ml/1.25 fl. ounce tube of Winton Oil colour. Available in a wide range of colours: Conforms to ASTM D4236.