Invented by Bryce Bayer at Kodak, the Bayer pattern dedicates more pixels to green than to red and blue because the human eye is more sensitive to green. The additional green pixels produce a ...

All you have to do is stare at the middle of the green, yellow, and black version of the Union Jack flag. This will then disappear and you may see the traditional red, white, and blue flag.

Chlorophyll makes plants look green, carotene makes them look red or orange, and xanthophyll makes them look yellow. Plants make fruits and flowers look blue by shifting acidity levels ...