Series: 7
Color Index Name: Pyrrole Orange
Color Index Number: PO73
Pigment Name: Diketopyrrole-pyrrole
Lightfastness rating: ASTM 1
Opacity / Transparency: Semi-Opaque
Grind: Very Fine

Very lightfast and vivid orange.  Falls between Cadmium Orange and Cadmium Red Light, but contains no heavy metals.