The systematic order of colours starts with a
Date: The American Robert Ridgway proposed a colour-system for identifying the colours of flowers, birds and insects in 1912.
Country of origin: USA
Basic colours: 36 pure solid (full) colours with intermediate distances perceived as approximately equal
Form: Double cone
Application: Scientific description of colours
Related systems: none
Bibliography: R. Ridgway, «Color Standards and Color Nomenclature», Baltimore 1912; G. Wyszecki, Farbsysteme, Göttingen 1960.