King's Blue Series: 3 CI Number: NA CI Name: PW6, PB29, PB15:3 Pigment Name: Titanium Dioxide Rutile, Polysulfide of Sodium-Alumino-Silicate, Copper Phthalocyanine Lightfastness: ASTM I - Excellent Opacity: Opaque Grind: Very Fine
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.