Black Slug

CSS

:root {
  --black-slug: #332211;
  --black-slug-rgb: 51 34 17;
  --black-slug-oklch: oklch(0.268 0.038 64.9);
}

.element {
  color: var(--black-slug);
  background-color: hsl(30 50% 13%);
  border-color: oklch(0.268 0.038 64.9);
}

Tailwind CSS v4

@theme {
  --color-black-slug: #332211;
  --color-black-slug-50: #fdf3ea;
  --color-black-slug-100: #f1e6db;
  --color-black-slug-200: #e0d1c3;
  --color-black-slug-300: #c5b4a3;
  --color-black-slug-400: #af9a87;
  --color-black-slug-500: #98816c;
  --color-black-slug-600: #816e5c;
  --color-black-slug-700: #675849;
  --color-black-slug-800: #4c4035;
  --color-black-slug-900: #352c24;
  --color-black-slug-950: #201913;
}

SCSS

$black-slug: #332211;
$black-slug-rgb: 51, 34, 17;
$black-slug-light: mix(#fff, $black-slug, 20%);
$black-slug-dark: mix(#000, $black-slug, 20%);

.element {
  color: $black-slug;
  box-shadow: 0 0 0 2px rgba($black-slug, 0.35);
}