Accommodating colorblind computer users

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Each line in the chart has a different colour, but also a different symbol for data points.Another option is to add patterns to your UI elements.While most users will see a clear separation between who's available (green) and who's not (red), colour blind users might have trouble distinguishing between the two.

If you’re already familiar with this and are looking for detailed research on colour blindness, this post is probably not for you.According to the Colour Blind Awareness website, approximately 4.5% of the entire population is colour blind of which most are men.So the chance that a colour blind person uses your software is very, very big.This usually works really well for elements with bigger areas of colour.Here's a quick and dirty example of this in action: Sometimes text is the right option to choose.

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