That bright green looks quite strong in pair with white text. Have you tried to run your colour palette on a tool like https://medialab.github.io/iwanthue/ and see how they score on the accessibility axis ?
Yes, I have looked at the WebAim WAVE accessibility report and that's something I'm going to address with an update soon. Though, I do not believe all contrast issues are a huge problem in all cases. Thanks for that link, will check it out!