That's a very subjective point. 100 people would very likely give you 100 answers, based on their individual physiologies.
Note, this a physical thing, rather than merely an opinion thing. Some people have a very acute sense of color and can discuss about very fine color differences that other people are simply unable to perceive.
Note, this a physical thing, rather than merely an opinion thing. Some people have a very acute sense of color and can discuss about very fine color differences that other people are simply unable to perceive.
Similar question: when does red turn to orange?