#AA5503

CSS

:root {
  --brandy-bear: #aa5503;
  --brandy-bear-rgb: 170 85 3;
  --brandy-bear-oklch: oklch(0.543 0.135 53.8);
}

.element {
  color: var(--brandy-bear);
  background-color: hsl(29 97% 34%);
  border-color: oklch(0.543 0.135 53.8);
}

Tailwind CSS v4

@theme {
  --color-brandy-bear: #aa5503;
  --color-brandy-bear-50: #ffecd1;
  --color-brandy-bear-100: #ffddbd;
  --color-brandy-bear-200: #ffc69c;
  --color-brandy-bear-300: #eda572;
  --color-brandy-bear-400: #dc864b;
  --color-brandy-bear-500: #c96815;
  --color-brandy-bear-600: #aa5916;
  --color-brandy-bear-700: #884712;
  --color-brandy-bear-800: #66320d;
  --color-brandy-bear-900: #482208;
  --color-brandy-bear-950: #2f1100;
}

SCSS

$brandy-bear: #aa5503;
$brandy-bear-rgb: 170, 85, 3;
$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);
}