Re^3: How many colors does a rainbow have?

[pajout]

in reply to Re^2: How many colors does a rainbow have?
in thread How many colors does a rainbow have?

Afaik, we know that healthy people have the same chemistry of colour-sensitive cells. I do not know nothing relevant about further signal-processing, I only know that the graphics or other professionals have common, healthy sight. They are just trained to distinguish more colours than we can name :>)

But, do not forget octarine