Which medieval materials had which colours….?

While going through some of my old medieval research, I came upon a list that has given me pause to reconsider some of my descriptions of materials used for clothing. The list was in a paper read on 6th April 1911: XXII—A Wardrobe Account of 16-17 Richard II, 1393-4, by W. Paley-Baildon, Esquire., F.S.A. “….MATERIALS.…