Gold Ochre is an earth pigment, and as such, has been used since prehistoric times. It is a warm brownish yellow colour. It has been made synthetically since the 1920s.
Perylene Green is a dark transparent green pigment. Undiluted, it is almost a black colour. Perylene is a modern synthetic organic pigment and was first available in the late 1950s.
Ultramarine Violet is a rich purple colour. It is a derivation of French Ultramarine, a synthetic pigment created in 1828 by French chemist Guimet as an alternative to genuine Ultramarine.
Phthalo Turquoise is an intense blue-green pigment with a red undertone. It is made from the modern pigment Phthalocyanine which was introduced in the 1930s. It is a transparent pigment.