Colorblind Design 1.1.3 No Restart
This add-on simulates colorblindness to help web site developers in creating more accessible web sites.
Since I'm not a colorblindness expert, the simulations might not be accurate. However, it seems OK when compared with other simulators.
This add-on has been preliminarily reviewed by Mozilla. Learn more
This add-on is not compatible with your version of Firefox because of the following: