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So it's sun related. The amount of sunlight is in correlation of the color of clothes and and how weird and crazy the patterns are. Good to know it's not just a spurious correlation like Nicolas Cage movies and people drowning in pools. https://www.tylervigen.com/spurious-correlations

@insaneworks Dark colours keep the warmth and light and white is for the fun. That is why most fridges are still white.
By now I believe dark is also preferred because dirt shows less but I agree it is hard to recognize people if they walk or are on bike dressed up in black. 💕