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. This package contains one 200 ml/6.75 fl. oz. tube of winton oil colour. Available in a wide range of colours, conforms to ASTM D4236.1 x 200ml Tube.