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Color information
Color name: Indigo
Color number/code: 322
Series number: 2
Chemical description: Copper phthalocyanine, Complex sodium alumino - silicate containing sulphur, Carbon black
Color index name: PB15, PB29, PBk7
Color index number: 74160, 77007, 77266
Permanence rating: A
ASTM lightfastness rating: I
Transparency/Opacity: T
