Norwich painted their away dressing room an effeminate shade of pastel pink because it supposedly lowers testosterone
https://www.ncaa.com/video/football/2014-09-12/traditions-io...
'In 1918, an article in Ladies Home Journal advised: “The generally accepted rule is pink for the boys, and blue for the girls. The reason is that pink, being a more decided and stronger color, is more suitable for the boy, while blue, which is more delicate and dainty, is prettier for the girl.”'