I stumbled upon this essay on color vision and wanted to point it out. Also take a look at my own previous posts on color vision at https://downhousesoftware.wordpress.com/2013/02/13/3298/ and https://downhousesoftware.wordpress.com/2012/09/28/natures-hidden-beauty-a-tangent-from-intro-bio/
Colour Vision
25
Apr
DownHouseSoftware 