It depends. OP's utility classes look too much like inline styles, with colons in the class names and whatnot. I can easily imagine a new developer seeing that,

It depends. OP's utility classes look too much like inline styles, with colons in the class names and whatnot. I can easily imagine a new developer seeing that, scratching their head, and wondering "wait, I can write CSS inside the `class` attribute?" Tailwind is much more restrained in comparison.