https://hexcolor.co/image-to-colors
https://subcolor.github.io/
https://www.happyhues.co/
https://www.npmjs.com/package/@adobe/leonardo-contrast-colors
https://lstore.graphics/paaatterns/index.html
https://www.typographicposters.com/
https://learnui.design/tools/accessible-color-generator.html
https://geenes.app/
https://colourise.sg/
https://hexcolor.co/color-picker
https://medium.com/@sheribyrnehaber/color-blindness-considerations-for-designers-and-content-managers-a767ab38a825
https://maketintsandshades.com/
https://refactoringui.com/previews/building-your-color-palette/?ref=webdesignernews.com
http://www.colorzilla.com/
https://codepen.io/meodai/full/RerqjG/
https://brand.uber.com/
https://picular.co/
http://findguidelin.es/
http://briangonzalez.github.io/jquery.adaptive-backgrounds.js/
https://sarcadass.github.io/granim.js/index.html
