A deep dark blue opaque color, that recreates the appearance of Prussian blue pigment. Prussian blue was the first known artificially manufactured color and was made by the colormaker Diesbach of Berlin in the early 1700s when experimenting with the oxidation of iron. Unfortunately at this time, we cannot ship this item to Hawaii and Puerto Rico, and Canada due to local legal restrictions. These items cannot be shipped as overnight or 2-day air shipments and will be shipped using ground shipping.