Using Sketch Toolbox, search for 'QuickColor' and install. Doing so will enable you to automatically receive any updates to QuickColor without having to manually do so.
Once you have color palettes set within your sketch file you can then use the shortcut to apply color to the selected elements. By pressing the shortcut again the next color in the in the palette will be applied.
Cmd + option + ]
Cmd + option + [
Cmd + ]
Cmd + [
If you have any questions, find a bug, or have ideas for ways to improve the plugin, please create an issue
🙏 Big thank you to Ashung for contributing