Pigment Name: Titanium Dioxide Rutile, Polysulfide of Sodium-Alumino-Silicate, Copper Phthalocyanine
Lightfastness: ASTM I - Excellent
Opacity: Opaque
Grind: Very Fine
Series 3

What is now known as royal blue is associated with Cobalt Blue. This French Royal Blue is lighter. Like the iris of a fleur-de-lis. Clear, bright.