#885146

CSS

:root {
  --root-beer: #885146;
  --root-beer-rgb: 136 81 70;
  --root-beer-oklch: oklch(0.495 0.077 32.1);
}

.element {
  color: var(--root-beer);
  background-color: hsl(10 32% 40%);
  border-color: oklch(0.495 0.077 32.1);
}

Tailwind CSS v4

@theme {
  --color-root-beer: #885146;
  --color-root-beer-50: #ffeee7;
  --color-root-beer-100: #ffdfd7;
  --color-root-beer-200: #f3c9bf;
  --color-root-beer-300: #dcaa9e;
  --color-root-beer-400: #c78e82;
  --color-root-beer-500: #b37366;
  --color-root-beer-600: #976257;
  --color-root-beer-700: #794e45;
  --color-root-beer-800: #5a3832;
  --color-root-beer-900: #3f2622;
  --color-root-beer-950: #281511;
}

SCSS

$root-beer: #885146;
$root-beer-rgb: 136, 81, 70;
$root-beer-light: mix(#fff, $root-beer, 20%);
$root-beer-dark: mix(#000, $root-beer, 20%);

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