Range :Old Holland Classic Watercolours
Colourname :Kings blue deep
Colournumber :253
Serie :B
Pigment classification :Synthetic ultramarine-Zinc oxide
Colour index :PB29-PW4
Colour index number :77007-77947
Lightfastness : Lightfast pigment according to ASTM
category 1 and 2
Opacity/transparency :Opaque