#AC5400

CSS

:root {
  --brandy-bear: #ac5400;
  --brandy-bear-rgb: 172 84 0;
  --brandy-bear-oklch: oklch(0.545 0.138 52.9);
}

.element {
  color: var(--brandy-bear);
  background-color: hsl(29 100% 34%);
  border-color: oklch(0.545 0.138 52.9);
}

Tailwind CSS v4

@theme {
  --color-brandy-bear: #ac5400;
  --color-brandy-bear-50: #ffecd0;
  --color-brandy-bear-100: #ffdcbc;
  --color-brandy-bear-200: #ffc59c;
  --color-brandy-bear-300: #eea471;
  --color-brandy-bear-400: #dd854a;
  --color-brandy-bear-500: #cb6711;
  --color-brandy-bear-600: #ab5814;
  --color-brandy-bear-700: #8a4610;
  --color-brandy-bear-800: #67320c;
  --color-brandy-bear-900: #482207;
  --color-brandy-bear-950: #2f1000;
}

SCSS

$brandy-bear: #ac5400;
$brandy-bear-rgb: 172, 84, 0;
$brandy-bear-light: mix(#fff, $brandy-bear, 20%);
$brandy-bear-dark: mix(#000, $brandy-bear, 20%);

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