we see the sky bleed blue...and probably red in the eve.......but voila....technical colour of sky is violet?......violet has the least wavelength in the group of colours in white......so violet colour spreads more than blue....still we seem to have a blue sky...why?......the answer is that our eyes tenf to pick up blue light more than violet....so we see a blue sky rather than an abnormally felt violet sky...;)...
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