Gregory's Server
@marcamos Bookmarking this!
And maybe I can offer another in exchange. I use COBLIS for graphics testing: https://www.color-blindness.com/coblis-color-blindness-simulator/
It's geared to simulating colorblindness for whole images. Both might be useful for different reasons.
@bluestarultor @marcamos
There is an updated version, that offers improved algorithms, here: http://mapeper.github.io/jsColorblindSimulator/
Happy you find it useful.