< Back to range introduction
Color information
Color name: Indigo
Color number/code: 322
Series number: 1
Chemical description: Copper phthalocyanine, Carbon black, Complex sodium alumino-silicate containing sulphur
Color index name: PB15, PBk7, PB29
Color index number: 74160, 77266, 77007
Permanence rating: A
ASTM lightfastness rating: II
Transparency/Opacity: O
Granulating/Staining: -
