Naples Yellow Deep is a warm opaque yellow pigment. Originally its name comes from natural deposits in Mount Vesuvius, Naples. Made artificially since the 15th c, it was part of the Old Masters'...
Lemon Yellow is a clear bright yellow colour. It is part of the Hansa pigments which were discovered in the early 1900s in Germany by the Hoechst company.
Primary Yellow is a bright yellow gouache colour. It is one of the basic primary colours. It is based on the high tinting strength Quinophthalone yellow pigment.
Yellow Ochre is a warm yellow colour. Originally made from natural iron oxides found in earth, it is one of the oldest pigments used by mankind. A synthetic version became available in the 1920s.