#89534E

CSS

:root {
  --root-beer: #89534e;
  --root-beer-rgb: 137 83 78;
  --root-beer-oklch: oklch(0.502 0.073 25.7);
}

.element {
  color: var(--root-beer);
  background-color: hsl(5 27% 42%);
  border-color: oklch(0.502 0.073 25.7);
}

Tailwind CSS v4

@theme {
  --color-root-beer: #89534e;
  --color-root-beer-50: #ffeeea;
  --color-root-beer-100: #ffdfdb;
  --color-root-beer-200: #f2c9c3;
  --color-root-beer-300: #dbaaa3;
  --color-root-beer-400: #c68e88;
  --color-root-beer-500: #b2736d;
  --color-root-beer-600: #96625c;
  --color-root-beer-700: #784e4a;
  --color-root-beer-800: #593836;
  --color-root-beer-900: #3e2625;
  --color-root-beer-950: #271514;
}

SCSS

$root-beer: #89534e;
$root-beer-rgb: 137, 83, 78;
$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);
}