Blind

https://en.wikipedia.org/wiki/Color_blindness

Org
http://www.colourblindawareness.org/

Site
http://www.color-blindness.com/

Test
http://colorvisiontesting.com/

Blue is color neutral so facebook founder has kept it such
http://freeglobaluniversity.blogspot.com/search/label/GoogleAppleFacebookTwitterMicrosoft

Slides
http://www.slideshare.net/search/slideshow?searchfrom=header&q=color+blindness

Tube
https://www.youtube.com/results?search_query=color+blindness