Never paid much attention to color with regards to what sharks see. Even though my primary is orange, of the 6 kayaks I use for fishing, 2 of them are red.
The theory that red attracts sharks is BS (according to the laws of physics).
Red wavelength cannot penetrate water for more than 15 feet. At a depth or distance of 15 feet or more underwater, anything red simply appears black or gray in color.
A red kayak looks the same as a black or gray kayak to the sharks.
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