How accurate are the Tailwind classes Claude Code generates for Hyvä?

100% accurate to your tailwind.config.js, not generic Tailwind defaults. We seed CLAUDE.md with: “Always read tailwind.config.js before writing utility classes. If a colour / spacing / font scale isn’t in the config, propose a config edit instead of using an arbitrary value.” Claude Code also runs the Tailwind JIT compiler against generated phtml in CI, any class that doesn’t exist in your config fails the build before merge. Net result: 0 hallucinated utility classes across 80+ Hyvä projects shipped.