M. Graham Watercolors 15 ml - Prussian Blue

Pigment - Ferriammonium Ferrocyanide (PB 27), Lightfast Rating - Excellent - LF I, Opacity Rating - Transparent, Staining/Granulating - Staining 

Prussian Blue is a traditional iron blue of great strength. More subtle than Phthalocyanine blue. 

M. Graham watercolors are brilliant, highly pigmented and suitable for all traditional techniques with beautiful, even washes and no hard outlines. Made with exceptional amounts of pigment in an old fashioned binding medium of pure gum arabic and natural blackberry honey.