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  707 Series number  1 Chemical description  Copper phthalocyanine Color index name  PB 15 Color index number  74160 Permanence rating  A ASTM lightfastness rating  II Transparency Opacity  T Granulating Staining  St