Does this use Tailwind v4 syntax?
Yes. The v4 export is a CSS @theme block whose --color-* variables generate Tailwind color utilities.
Tailwind CSS v4
Start with one color, tune the complete scale in a real interface, and copy CSS-first theme variables directly into your project.
@theme {
--color-primary-50: oklch(0.97 0.02 292);
--color-primary-500: oklch(0.55 0.19 292);
--color-primary-950: oklch(0.22 0.08 292);
}Yes. The v4 export is a CSS @theme block whose --color-* variables generate Tailwind color utilities.
Yes. The same palette can be exported as a v3 theme.extend.colors configuration.