Red Ochre is one of the oldest pigments used by man. Originally made from natural iron oxides found in the earth, it is an opaque brownish red pigment. It was often used in Michelangelo's drawings.
Venetian Red is an opaque deep red colour. An earth pigment, it was called Venetian Red after the quarry near Venice where the painter Titian sourced his earth reds.
Ultramarine is a rich deep transparent blue. It was created by French chemist Guimet in 1828 as a synthetic but chemically identical alternative to the expensive pigment derived from Lapis Lazuli.
