Cobalt and TitaniumOpacity/Transparency: Semi-OpaqueLightfastness Rating: 1Permanency: ExcellentMunsell Notation Listing: N/AGloss Average: N/AViscosity Range: N/ACIE L*a*b* Values: N/ATint Strength: N/A

The paper has a smooth texture and is acid-free

94Tint Strength: 93

Colour index number: a

which means that ink or colour will not seep through the paper to underlying sheets

williamsburg oliemaling alizarin yellow Old Holland Cobalt and TitaniumOpacity/Transparency: Semi-OpaqueLightfastness Rating:A clean, transparent yellow but not as orange as Indian Yellow. Even though we call it Alizarin, it contains no Alizarin Lake. Has a slight earthy feel. Series: 4CI Number: NACI Name: PY42, PY83Pigment Name: Synthetic Hydrated Iron Oxide, Diarylide YellowLightfastness: FairOpacity: Semi TransparentGrind: Medium