Cadmium orange is a modern pigment which was not used very often in oil paintings. Its composition is similar to cadmium yellow and cadmium red.
Orange Pigments - ColourLex
Week 1: Explore Yellow and Pigment Origins
Home - ColourLex
Cadmium Yellow - ColourLex
Cadmium orange - ColourLex
Dalnavert, in Yellow — Dalnavert Museum
Cadmium yellow - ColourLex
Pigments by type - ColourLex
Cadmium Orange - ColourLex
cadmium yellow – Cultural Heritage Science Open Source
Chrome orange - ColourLex
Henri Matisse, Portrait of André Derain - ColourLex
Pigment Archives - ColourLex - Art and Science
Pigments - ColourLex - Art and Science