The best alternatives to HueHive are Coolors, Colorion, and Huemint. If these 3 options don't work for you, we've listed a few more alternatives below.
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Blaze— Create beautiful 1-click content in your brand style with AI
Goodpalette is a color palette generator specifically built for UI design. It will give you primary, accent, and neutral colors, each with a comprehensive set of shades for text, backgrounds, wells, buttons, and more.