Colorific is a tool that allows you to test for color accessibility for common color perception and various color blind conditions. It's a progressive web app, and can be saved to operate standalone. Save swatches of the color combinations that work best.

accessScan is a free web accessibility testing tool designed to give you a clear answer to whether or not your website is accessible for people with disabilities and if it complies with legislation. Type your domain and learn where you stand in seconds!