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.
provide some system setting APIs. Volume, brightness, wifi, location, bluetooth, airplane...
Determines the best contrast color to use. Give it a background color and it returns a foreground color (black or white by default but customizable).
Screen brightness adjustment tool for React Native