#D18A56

CSS

:root {
  --whiskey-sour: #d18a56;
  --whiskey-sour-rgb: 209 138 86;
  --whiskey-sour-oklch: oklch(0.695 0.11 56);
}

.element {
  color: var(--whiskey-sour);
  background-color: hsl(25 57% 58%);
  border-color: oklch(0.695 0.11 56);
}

Tailwind CSS v4

@theme {
  --color-whiskey-sour: #d18a56;
  --color-whiskey-sour-50: #ffeed7;
  --color-whiskey-sour-100: #ffe0c4;
  --color-whiskey-sour-200: #f9c9a6;
  --color-whiskey-sour-300: #e3aa7f;
  --color-whiskey-sour-400: #d08d5c;
  --color-whiskey-sour-500: #bd7135;
  --color-whiskey-sour-600: #9f602e;
  --color-whiskey-sour-700: #804c25;
  --color-whiskey-sour-800: #5f371a;
  --color-whiskey-sour-900: #432511;
  --color-whiskey-sour-950: #2b1404;
}

SCSS

$whiskey-sour: #d18a56;
$whiskey-sour-rgb: 209, 138, 86;
$whiskey-sour-light: mix(#fff, $whiskey-sour, 20%);
$whiskey-sour-dark: mix(#000, $whiskey-sour, 20%);

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