Green | Description, Etymology, & Facts | Britannica
https://www.britannica.com/science/green-color
webMar 17, 2024 · Green, in physics, light in the wavelength range of 495–570 nanometers, which is in the middle of the visible spectrum. In art, green is a color on the conventional wheel, located between yellow and blue and opposite red, its complement. Green pigment in the 19th century was notoriously toxic.
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