Colour name: Cobalt Yellow Lake (Aurelion)

Pigment Classification: OrganicColor Index Name: PY83(HR70)Color Index Number: 21108Chemical Description: Diarylide Yellow HR70Opacity/Transparency: Semi-OpaqueLightfastness Rating: 1Permanence: ExcellentMunsell Notation Listing: Hue 8

Pigment Classification: Mixture

84Tint Strength: 88

Colour index: PV42

williamsburg oliemaling brown ochre Size:150ml Colour name: Cobalt Yellow LakeVery earthy, extra deep yellow ochre so deepwe call it brown. Series: 1CI Number: NACI Name: PY42 PR101Pigment Name: Synthetic Hydrated Iron Oxide, Synthetic Iron OxideLightfastness: ASTM I ExcellentOpacity: OpaqueGrind: Medium