Description
Portland Grey Medium
The grey skies of our fair city inspired Robert Gamblin to formulate three Portland Greys – Light, Medium, and Deep. These three neutral greys were developed to help painters quickly adjust the value and chroma of colors.
About This Color
Pigment: Titanium dioxide, zinc oxide, iron oxide, synthetic black iron oxide
(PW 6, PW 4, PBr 7, PBk 11)
Vehicle: Alkali refined linseed oil
Lightfastness: I, Series 2, VALUE 6/ OPAQUE
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