tailwindcss-fundamentals-v4

You configure Tailwind v4 through a CSS-first workflow using the @theme directive to define design tokens directly in your stylesheet. This replaces the traditional JavaScript config file, streamlining your frontend styling setup.

Migrating to Tailwind v4 involves adopting a CSS-first configuration flow and migration-ready best practices. You transition your existing design tokens into the @theme directive to ensure a scalable and modern utility setup.

The @theme directive in Tailwind v4 is a CSS-first mechanism for building scalable design systems. It allows you to define semantic tokens and custom utilities directly within your CSS files for consistent UI components.

Yes, Tailwind v4 supports OKLCH-based color scales to implement scalable design systems with modern color math. This enables more accurate and consistent color rendering across your responsive UI components.

Yes, you can install and configure Tailwind v4 in modern tooling environments like Vite and PostCSS. The framework provides specific guidance for initializing a CSS-first configuration flow within these build tools.

Using a CSS-first configuration in Tailwind v4 requires moving away from the traditional JavaScript config file, which may restrict dynamic runtime generation. You must rely strictly on the @theme and @utility directives for defining scalable design systems.