Copper is a unique brown colour with warm red undertones. Due to its innovative combination of pigments, it creates a metal sheen closely resembling that of copper.
Winsor Yellow is a clean bright yellow pigment. It is part of the Yellow Hansa group of modern pigments first developed by the German Hoechst company in the early 1900s.
Winsor Green (Yellow Shade) is a brilliant transparent green pigment with a yellow undertone. It is made from the modern pigment Phthalocyanine which was introduced in 1930s.