<Tr> <Th> Source </Th> <Td> Encycolorpedia </Td> </Tr> <Tr> <Td_colspan="2"> B: Normalized to (0--255) (byte) H: Normalized to (0--100) (hundred) </Td> </Tr> <P> Verdigris is the common name for a green pigment obtained through the application of acetic acid to copper plates or the natural patina formed when copper, brass or bronze is weathered and exposed to air or seawater over a period of time . It is usually a basic copper carbonate, but near the sea will be a basic copper chloride . If acetic acid is present at the time of weathering, it may consist of copper (II) acetate . </P> <Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (July 2014) (Learn how and when to remove this template message) </Td> </Tr> </Table>

What's it called when copper turns green