Art Spectrum® Cadmium Red is a neutral red similar to Spectrum red, slightly warmer on the spectrum. When mixed with white it becomes more opaque with a high tinting strength. Cadmium Red is also used as a primary red to make solid secondary mixes. Cadmium Red is an opaque red pigment with excellent layering properties. It is popular for its strong rich colour.

ASTM Approved Permanent Colours American Society for Testing and Materials, conforming to standard D4302-90.