JSFiddle - React, Tailwind, and code Playground

HTML

<p class="light">light mode text</p>
<p class="dark">dark mode text</p>

CSS

.light {
  color: oklch(37.3% .034 259.733);
}

.dark {
  color: oklch(87.2% .01 258.338);
}

body {
  background-color: oklch(14.5% 0 0);
}