Tyrian Purple
Tyrian purple is one of the oldest, most valued and most expensive pigments. It had been first produced from shellfish in the Phoenician city of Tyre.
Manganese violet
Manganese violet has been discovered in 19th century but was not frequently employed in oil painting due to its low tinting strength.
Cobalt violet
Cobalt violet is one of the few violet pigments in use since the second half of the 19th century until today.