Olo (Color)(en.wikipedia.org)
509 points by inigyou | 94 comments
Wikipedia article on olo, an imaginary color seen only by using lasers to stimulate exclusively the M cone cells of the retina.
#cone-cells on Hacker News
2 stories tagged cone-cells, newest first.
New colors without shooting lasers into your eyes(dynomight.net)
533 points by zdw | 159 comments
A Dynomight blog essay explaining how the eye's three cone types sense color and how one might perceive new colors without lasers.