I didn't really know where to put this, since it's neither some sort of exploit, nor would I call it a guide, it's simply a little gimmick I found.
This may be more interesting for video editing purposes, if you are in need of a bit more ambient.
Blizzard is revamping the whole colorblind system, meanwhile you have ingame access to the test modes.
Those are accessible via
/console Colorblindsimulator X
x = numbers 1 - 8, while 0 will turn it off
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