Firefox has the Accessibility Inspector tools built in for that: https://developer.mozilla.org/en-US/docs/Tools/Accessibility_inspector https://developer.mozill

Firefox has the Accessibility Inspector tools built in for that: https://developer.mozilla.org/en-US/docs/Tools/Accessibility_inspector https://developer.mozilla.org/en-US/docs/Tools/Accessibility... You can inspect items for contrast ratio, and I believe there’s even a color blindness simulator.