#D08B59

CSS

:root {
  --whiskey: #d08b59;
  --whiskey-rgb: 208 139 89;
  --whiskey-oklch: oklch(0.696 0.107 55.9);
}

.element {
  color: var(--whiskey);
  background-color: hsl(25 56% 58%);
  border-color: oklch(0.696 0.107 55.9);
}

Tailwind CSS v4

@theme {
  --color-whiskey: #d08b59;
  --color-whiskey-50: #ffeed8;
  --color-whiskey-100: #ffe0c6;
  --color-whiskey-200: #f8caa8;
  --color-whiskey-300: #e1aa81;
  --color-whiskey-400: #cf8d5e;
  --color-whiskey-500: #bb7139;
  --color-whiskey-600: #9e6031;
  --color-whiskey-700: #7f4d27;
  --color-whiskey-800: #5f371c;
  --color-whiskey-900: #422612;
  --color-whiskey-950: #2b1405;
}

SCSS

$whiskey: #d08b59;
$whiskey-rgb: 208, 139, 89;
$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);
}