I've been using Tailwind's palette for this, even though I don't use Tailwind.
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About a year ago I embarked on creating a color scheme for a project and I loved it so much I began using it for everything. I decided to make an official repo for it to share with the world.
Anyhoo, hope y'all enjoy it.
To be clear, upgrading your CSS library to the latest version should not subtly change the entire colour theme for your site yet here we are.
I have started moving towards radix colours.