We often talk about warm vs cold colors. When someone feels sad, we say she "feels blue".

I conjecture this may be universal across cultures due to our experience with the warmness of the sun (which is red, at least when setting) and the coldness of water (which appears blue, at least in the sea).

  • 3
    The sea isn't blue in a lot of languages. – Cairnarvon Oct 24 '20 at 20:09
  • And "feeling blue" doesn't make sense in even more languages but for some reason I upvoted the question.) – tum_ Oct 25 '20 at 12:53
  • And in Ancient Greece, apparently, the sky wasn’t blue. – David Garner Oct 25 '20 at 18:41
  • Color words vary from language to language in what colors they represent, never mind the metaphoric senses. In Russian, for instance, there is no single word for blue; blue sky is not the same color as blue jeans. – jlawler Oct 26 '20 at 14:25

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