>>12173220A creature that could distinguish colors at spectroscopic levels of detail would be able to tell what things are made of at a distance, and taste without touching. Of course in nature, things that are brightly colored typically signal ripeness to fructivores, and to some degree the term "saturation" registers the faint synesthetic association between color and juicy edibility, which doubtless is hard-wired given the appeal that most saturated colors have to small children
