Turquois (Phthalo) Pigment Classification: Mixture Chemical Description: Copper Phthalocynine / Chlorinated Copper Phthalocynine Heavy Body: Opacity/Transparency: 3 Lightfastness Rating: I Permanency: Excellent Colour Index Name: PB 15:4 / PG 7 Colour Index Number: 74160 / 74260 Munsell Notation Listing: Hue: 5.0 BG Value: 1.25 Chroma: 2.6 Pantone Matching System: 539 Spectrophotometer Readings: N/A Viscosity Range: 16000-20000 CPS PH Range: 8.7-9.0 Gloss Average: 93.44 CIE L*a*b* Values: L*25.76 a*-1.64 b*-8.12 Tint Strength: 74.57