A11Y - Color blindness empathy test by Vincent Humeau

Empathy test for color blindness and visual impairment. This add-on emulates 8 types of color blindness, plus grayscale to check the contrast of your website. <a rel="nofollow" href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/78f44e29a7bb540c518ced04ebbe1d7ef2d708f296ac105fccb845221718e550/https%3A//vinceumo.github.io/A11Y-Color-Blindness-Empathy-Test/">https://vinceumo.github.io/A11Y-Color-Blindness-Empathy-Test/</a>