As adjectives the difference between trichromatic and tetrachromatic
is that trichromatic is involving three colours while tetrachromatic is having four independent channels for conveying color information.
trichromatic
English
Adjective
(-)
Involving three colours
Having perception in three primary colours
Coordinate terms
* dichromatic
* quadchromatic
tetrachromatic
English
Adjective
(-)
Having four independent channels for conveying color information.
Synonyms
* quadrichromatic (rare)
Related terms
*tetrachromacy
*tetrachromat