#D18B51

CSS

:root {
  --whiskey-sour: #d18b51;
  --whiskey-sour-rgb: 209 139 81;
  --whiskey-sour-oklch: oklch(0.696 0.113 59);
}

.element {
  color: var(--whiskey-sour);
  background-color: hsl(27 58% 57%);
  border-color: oklch(0.696 0.113 59);
}

Tailwind CSS v4

@theme {
  --color-whiskey-sour: #d18b51;
  --color-whiskey-sour-50: #ffefd5;
  --color-whiskey-sour-100: #ffe0c2;
  --color-whiskey-sour-200: #f9caa3;
  --color-whiskey-sour-300: #e2aa7b;
  --color-whiskey-sour-400: #d08d57;
  --color-whiskey-sour-500: #bc712d;
  --color-whiskey-sour-600: #9f6028;
  --color-whiskey-sour-700: #804d20;
  --color-whiskey-sour-800: #5f3716;
  --color-whiskey-sour-900: #43260e;
  --color-whiskey-sour-950: #2b1402;
}

SCSS

$whiskey-sour: #d18b51;
$whiskey-sour-rgb: 209, 139, 81;
$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);
}