Part of the earth tone family, Yellow Oxide's is slightly more opaque than it's neighbors (Yellow Ochre) and less red, but with similar lightfastness and durability. (Series 1) 

 Pigment Classification: Inorganic
Color Index Name: PY42
Color Index Number: 77492
Chemical Description: Synthetic Hydrated Iron Oxide
Opacity/Transparency: Semi-Opaque
Lightfastness Rating: ASTM 1
Permanency: Excellent