"Reddish green" redirects here. Reddish Green is also a place in Reddish, Greater Manchester, UK. The human eye's red-to-green and blue-to-yellow values of each one-wavelength visible color [citation needed] Human color sensation is defined by the sensitivity curves (shown here normalized) of the three kinds of cone cells: respectively the short-, medium- and long-wavelength types. Impossible colo
![Impossible color - Wikipedia](https://cdn-ak-scissors.b.st-hatena.com/image/square/f1a8d2dd17ee89e85643ec0429cb92d314c54e82/height=288;version=1;width=512/https%3A%2F%2Fupload.wikimedia.org%2Fwikipedia%2Fcommons%2Fthumb%2F4%2F4c%2FColor_perception.svg%2F1200px-Color_perception.svg.png)