Range :Old Holland Classic Watercolours
Colourname :Naples yellow extra
Colournumber :313
Serie :A
Pigment classification :Synthetic ironoxide-Synthetic iron oxide-Zinc oxide
Colour index :PY42-PR101-PW4
Colour index number :77492-77491-77947
Lightfastness : Lightfast pigment according to ASTM
category 1 and 2
Opacity/transparency :Opaque