A reddish iron-oxide pigment is the basis for this brown that has a naturally light brown mass-tone that appears more red as it becomes extended in tints and glazes.
Pigment Classification: Inorganic Color Index Name: PR101 Color Index Number: 77491 Chemical Description: Synthetic Iron Oxide Opacity/Transparency: Opaque Lightfastness Rating: 1 Permanency: Excellent Munsell Notation Listing: Hue 0.5 Y Value 2.7 Chroma 5.5 Gloss Average: 65.9 Viscosity Range: 400-1000 CPS CIE L*a*b* Values: L*32.13 a*17.48 b*8.24 Tint Strength: 77.03