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Color information
Color name: Indigo
Color number/code: 322
Series number: 1
Chemical description: Copper phtalocyanine, Carbon black, Ultramarine
Color index name: PB15, PBk6, PB29
Color index number: 74160, 77266, 77007
Permanence rating: A (iii)
ASTM lightfastness rating: I
Transparency/Opacity: O
