Burnt Umber (PBr7) is a rich dark brown colour. It is low-staining and semi-transparent. Burnt Umber can be warmed with a little Alizarin Crimson or cooled with blue.Piemontite Genuine is a deep amethyst colour in masstone and is produced from piemontite found in the hills of Italy. When mixed with water a carmine tone with violet-brown granulation is produced. This product is perfect for adding interest to shadows or painting the mottled surfaces of autumn leaves.