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One of the earliest pigments known to man, ochres are mineral oxides used in colors from the reddish brown to, in this case, yellow-brown range. This very opaque and lightfast color is often considered essential to a painters' palette.
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Pigment Classification:åÊNatural Inorganic
Color Index Name:åÊPY 43
Color Index Number:åÊ77492
Chemical Description:åÊNatural Hydrated Iron Oxide
Opacity/Transparency:åÊSemi-Opaque
Lightfastness Rating:åÊI
Permanency:åÊExcellent
Munsell Notation Listing:åÊHue 9.5 YR Value 5 Chroma 8.8
Gloss Average:åÊ19.5
Viscosity Range:åÊ4000-15000 CPS
CIE L*a*b* Values:åÊL*57.53 a*16.17 b*37.79
Tint Strength:åÊ90
