https://github.com/uiwjs/react-color https://github.com/Wondermarin/react-color-palette https://github.com/omgovich/react-colorful (tiny)
https://www.hslpicker.com/ https://coolors.co/visualizer/780000-c1121f-fdf0d5-003049-669bbc https://primereact.org/