Accessibility Testing: Colour Blindness Accessibility

We have a few posts on the Club already about accessibility testing:


Someone recently asked on

anybody have resources on making apps colorblind accessible?

@colinmckay1 helpfully directed us to a resource shared by @rightsaidjames in his Testbash talk in Manchester 2017:

Contrast ratio checker can be used to check contrast ratios against the WCAG 2.0 guidelines

@thatdamnqa shared this which is for websites rather than apps but looks pretty useful:

I’m particularly interested in colour blindness because a lot of my family are colour blind. I personally use Spectrum on Chrome so that I can see how sites look to people who are colourblind.

What about you? Do you have any resources that are app specific? Or what do you use more generally when considering accessibility for colour blindness.

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