Goldfish can see more colors than we can. Human eyes can see only three primary colors: red, blue and green. All other colors are mixtures of these. A goldfish, however, can see four, making it a tetrachromate. – WTF Fun Facts
colors
WTF Fun Fact – Hunter Gatherer Details
Women are better at discerning shades of colors, while men are better at tracking fast-moving objects and identifying detail from a distance. These are evolutionary details linked to our hunter-gatherer past. – WTF Fun Facts
Source: https://news.nationalgeographic.com/news/2012/09/120907-men-women-see-differently-science-health-vision-sex/
WTF Fun Fact – River of Five Colors
The Colombian river Cano Cristales is commonly called the River of Five Colors or Liquid Rainbow because of its striking colors. – WTF Fun Facts
Source: http://www.bbc.com/travel/gallery/20190320-colombias-river-of-five-colours
a conflict between chameleons is more likely to be
A conflict between chameleons is more likely to be initiated and won by the one with the brighter stripes. Additionally, there are rarely physical conflicts as the brighter/quicker color display is usually enough to win the duel.
– WTF Fun Facts
Source: https://healthypets.mercola.com/sites/healthypets/archive/2014/02/03/chameleon-changing-color.aspx
every countries passport color is a shade
Every countries’ passport color is a shade of blue, green, or red – WTF fun facts