For me, each nuance of a color is in some way an individual, a being who is from the same race as the base color, but who definitely possesses a distinct character and personal soul.
Yves KleinBlue has no dimensions, it is beyond dimensions, whereas the other colours are not....All colours arouse specific associative ideas, psychologically material or tangible, while blue suggests at most the sea and sky, and they, after all, are in actual, visible nature what is most abstract.
Yves Klein