The number of discernible colors perceived by normal trichromats

Range ~2,000,000 Different colors
Organism Human Homo sapiens
Reference Linhares JM, Pinto PD, Nascimento SM. The number of discernible colors perceived by dichromats in natural scenes and the effects of colored lenses. Vis Neurosci. 2008 May-Jun25(3):493-9. p.493 left column top paragraphPubMed ID18598424
Primary Source Martínez-Verdú F et al., Computation and visualization of the MacAdam limits for any lightness, hue angle, and light source. J Opt Soc Am A Opt Image Sci Vis. 2007 Jun24(6):1501-15. AND Pointer, M.R. & Attridge, G.G. ~1998!. The number of discernible colours. Color Research and Application 23, 52–54.PubMed ID17491618
Comments In 1st primary source see p.1513 table 2. The final total obtained by 2nd primary source was was 2,279,381 (Pointer & Attridge, p.53 right column 3rd paragraph). See BNID 112607
Entered by Uri M
ID 107061