One of the earliest pigments known to man, ochres are mineral oxides used in colours from the reddish brown to, in this case, yellow-brown range. This very opaque and lightfast colour is often considered essential to a painters’ palette. (Series 1)
Pigment Classification: Inorganic
Color Index Name: PY 43
Color Index Number: 77492
Chemical Description: Natural Hydrated Iron Oxide
Opacity/Transparency: Semi-Opaque
Lightfastness Rating: I
Permanency: Excellent
Munsell Notation Listing: Hue 9.5 YR Value 5 Chroma 8.8
Gloss Average: 62.36
Viscosity Range: 650-1000 CPS
CIE L*a*b* Values: L*57.53 a*16.17 b*37.79
Tint Strength: 91.1
