wcag-contrast-utils
WCAG Contrast Utils is a TypeScript library for calculating color contrast ratios and checking WCAG 2.1 compliance. Ensure your web designs meet accessibility standards with easy-to-use functions for developers and designers.
nightwatch-axe-verbose
For adding custom commands to allow you to run axe accessibility tests in your NightwatchJS test cases.
apca-w3
APCA: the Accessible Perceptual Contrast Algorithm, a modern contrast method that improves readability contrast on self-illuminated displays. Developed for the W3C's WCAG 3 and other standards.