Cobalt Violet (Gamblin Artist Oil)Cobalt Violet Deep violet that is cool in its masstone (and less red than Manganese Violet), Cobalt Violet is a pure hue that cannot be mixed from other colors. Although very muted in its tint, it is a marvel as a top coat color. Cobalt Violet greys down considerably when mixed with white. About This Color Pigment: Cobalt phosphate (PV 14) Vehicle: Alkali refined linseed oil Lightfastness I, Series 6, SEMI TRANSPARENT Color Temperature: Warm