Burnt Umber

Pigment Classification: Natural Inorganic
Chemical Description: Calcined Natural Iron Oxide containing Mangenese
Opacity/Transparency: 2
Lightfastness Rating: I
Permanency: Excellent
Colour Index Name: PBr 7
Colour Index Number: 77491
Munsell Notation Listing:
Hue: 9.0 YR
Value: 2.50
Chroma: 1.0
Pantone Matching System: PMS 412
Spectrophotometer Readings: N/A
Viscosity Range: 23000-27000 CPS
PH Range: 8.3-9.0
Gloss Average: 8.05
CIE L*a*b* Values: L*28.57 a*2.86 b*4.06
Tint Strength: 75.50