Quinacridone Violet Pigment Classification: Synthetic Organic Chemical Description: Quinacridone Opacity/Transparency: 4 Lightfastness Rating: I Permanency: Excellent Colour Index Name: PV 19 Colour Index Number: 73900 Munsell Notation Listing: Hue: 10.0 RP Value: 2.50 Chroma: 8.0 Pantone Matching System: 209 Spectrophotometer Readings: N/A Viscosity Range: 23000-27000 CPS PH Range: 8.3-9.0 Gloss Average: 80.25 CIE L*a*b* Values: L*29.40 a*22.71 b*6.07 Tint Strength: 70.65