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.
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.
Perylene Red is a light red pigment. Perylene is a modern synthetic organic pigment and was first available as a dye around 1912 before becoming available as an artist pigment in the late 1950s.
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.
