Made from the finest pigments in the highest concentrations possible and offering the greatest permanence together with good handling qualities、 this popular range of 96 Winsor & Newton Artists Watercolours、 is sure to bring a new level of beautiful colour to your work Winsor & Newton Artists Watercolours are available in both tubes and pans Generally tube colours are preferred by artists using large quantities of colour、 whilst pans generally find favour with beginners、 outdoor sketchers and artists using smaller quantities Color number 733 Series number 1 Chemical description Carbozole dioxazine Color index name PV 23 Color index number 51319 Permanence rating A ASTM lightfastness rating N L Transparency Opacity T Granulating Staining St