Do you see blue or green? This viral test plays with color perception
Briefly

"People's perceptions are ineffable, and it's interesting to think that we have different views. My blue-green boundary is bluer than 78% of others, meaning my green is blue to most people."
"Our brains are hard-wired to distinguish colours via retinal cells called cones. However, higher-level processing, such as naming colors, is complex and could involve cognition and prior experience."
Read at www.theguardian.com
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