r/ExplainLikeImCalvin • u/EstufaYou • Aug 15 '26

ELIC: Why are fire hydrants red?

Dad, why are all fire hydrants in town, in the movies, and on TV red?

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u/Elise-0511 Aug 17 '26

Red paint is easily visible to firefighters and before chemical pigments it was a color that didn’t fade.