Color Palette Generator - Enter the URL of an image and find its color palette
Fix contrast - Automatically fix contrast issues on all websites
Color Hunt - Curated collection of beautiful colors, updated daily
Contrast - A macOS app for quick access to WCAG color contrast ratios
Coolors.co - The super fast color schemes generator! Create, save and share perfect palettes in seconds!
Colour Contrast Checker - Check the contrast between different colour gainst WCAG