WhoCanUse is a helpful tool to test the color contrast of different color combinations and informs you about the contrast ratio and the WCAG grading. While it might not be 100% perfectly accurate, it provides a good indication of how well the colors work for the various vision types. Interestingly enough, there are a lot of vision types that I wasn‘t aware of at all.
What is whocanuse.com?
It's a tool that brings attention and understanding to how color contrast can affect different people with visual impairments.
The Web Content Accessibility Guidelines (WCAG) covers a wide range of recommendations for making Web content more accessible. Just a tiny part of making the web more accessible is accommodating for those with a form of blindness or low vision.