This document details best practices for various accessibility considerations for communicating science, with lots of tips as well as free resources and tools to make it easy.

Accessibility in Communicating Science Guide

A list of useful resources for various aspects of accessibility in communicating science are listed below. Explanations of these are available in the guide above.

https://webaim.org/resources/contrastchecker/

https://www.tpgi.com/color-contrast-checker/