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ravells
11-22-2011, 07:05 AM
is a natty bit of software for testing what your maps (and other designs) look like to people who have various forms of colour blindness.

You can get it here. (http://colororacle.cartography.ch/index.html)

Fransie
11-22-2011, 09:25 AM
In my opinion (or, for my degree of colour blindness), the simulation is very extreme, way too strong.

I personally prefer the Photoshop plugin here (http://www.vischeck.com/). I used it to explain my colour blindness to my wife. Apply the filter, then if neccesary Fade it (ctrl-shift-F) until the colourblind person cannot see a difference between the original and the filtered image. My wife was adamant that the before and after pictures (of a bunch of red roses) were very much different.