OKLCH Colors
OKLCH provides perceptually uniform colors — two colors with the same lightness value actually look equally bright. Use the OKLCH color picker to find values. Format: oklch(lightness chroma hue).
Tailwind v4 Class Changes
If you're coming from Tailwind v3, watch out for renamed utilities: shadow-sm → shadow-xs, rounded-sm → rounded-xs, outline-none → outline-hidden, bg-gradient-* → bg-linear-*. The scale shifted down by one step.