The "red on cyan" illusion, similar to the Coca-Cola illusion, occurs due to chromatic adaptation and color contrast. When a cyan background is present with certain patterns or lines, our eyes attempt to balance the strong cyan color by increasing sensitivity to its complementary color, red. This is a response to prolonged exposure to one color, as our vision adapts to balance the perceived colors. The cyan overstimulates certain cone cells, leading our brains to "fill in" red in response, so th

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Uncovering RARE Coca-Cola history while searching for treasure! #history #discovery #cocacola | Adventure Archaeology And Southern Diggers

Coca-Cola History buried here a century ago unearthed by treasure hunters!