The best alternatives to Hues are Contrast, Bjango, and ColorSnapper. If these 3 options don't work for you, we've listed a few more alternatives below.
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This is the built-in macOS color picker as a standalone app with lots of additional features. Quickly copy, paste, convert between different color formats, toggle it directly from the menu bar, keyboard shortcuts, launch it at login, and more.
Color Copy Paste is plugin that allows you to copy & paste colour directly from your phone's camera to your web browser, figma or sketch plugin. You can manage the colours with no hassle. No more manually taking picture and use color picker to get the color.