#CC8C63

CSS

:root {
  --whiskey: #cc8c63;
  --whiskey-rgb: 204 140 99;
  --whiskey-oklch: oklch(0.695 0.096 53.2);
}

.element {
  color: var(--whiskey);
  background-color: hsl(23 51% 59%);
  border-color: oklch(0.695 0.096 53.2);
}

Tailwind CSS v4

@theme {
  --color-whiskey: #cc8c63;
  --color-whiskey-50: #ffefdc;
  --color-whiskey-100: #ffe0ca;
  --color-whiskey-200: #f6caae;
  --color-whiskey-300: #dfab88;
  --color-whiskey-400: #cc8f68;
  --color-whiskey-500: #b87346;
  --color-whiskey-600: #9b623c;
  --color-whiskey-700: #7c4e2f;
  --color-whiskey-800: #5d3822;
  --color-whiskey-900: #412616;
  --color-whiskey-950: #291508;
}

SCSS

$whiskey: #cc8c63;
$whiskey-rgb: 204, 140, 99;
$whiskey-light: mix(#fff, $whiskey, 20%);
$whiskey-dark: mix(#000, $whiskey, 20%);

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