Range :Old Holland Classic Watercolours
Colourname :Mars orange red
Colournumber :337
Serie :A
Pigment classification :Synthetic iron oxide-Synthetic iron- oxide
Colour index :PY42-PR101
Colour index number :77492-77491
Lightfastness : Lightfast pigment according to ASTM
category 1 and 2
Opacity/transparency :Opaque