Portland Cool Grey: A middle-value, blue-grey. Ideal for reducing the chroma of violets, blues and greens. As shown above, mix Portland Cool Grey with Titanium Buff to create a green-grey or with Portland Warm Grey to create a violet-grey.
Pigment: Titanium dioxide, complex silicate of sodium & aluminum with sulfer, synthetic black iron oxide (PW 6, PB 29, PBk11)
Vehicle: Alkali refined linseed oil
Lightfastness I, Series 2, OPAQUE