Chinese White is a zinc based opaque white. Winsor & Newton were the first to sell Chinese White in England in 1834. It was named after the popular Chinese porcelain imported at the time.
Sepia is a black brown colour. Originally made in the 18th from the ink sacks of cuttlefish, it is now made from a mixture of carbon and umber. It is a highly permanent colour.
Ultramarine is a rich deep transparent blue. It was created by French chemist Guimet in 1828 as a synthetic but chemically identical replacement for the expensive pigment derived from Lapis Lazuli.
Turquoise is an opaque blend of green and blue pigments. The name stems from the French 'Turquoise' for the semi-precious stone that was exported to Europe from Persia via Turkey.