#936F51

CSS

:root {
  --whisky-barrel: #936f51;
  --whisky-barrel-rgb: 147 111 81;
  --whisky-barrel-oklch: oklch(0.57 0.063 60.9);
}

.element {
  color: var(--whisky-barrel);
  background-color: hsl(27 29% 45%);
  border-color: oklch(0.57 0.063 60.9);
}

Tailwind CSS v4

@theme {
  --color-whisky-barrel: #936f51;
  --color-whisky-barrel-50: #fff2e3;
  --color-whisky-barrel-100: #f8e4d3;
  --color-whisky-barrel-200: #e8cfb9;
  --color-whisky-barrel-300: #cfb197;
  --color-whisky-barrel-400: #ba9679;
  --color-whisky-barrel-500: #a57d5b;
  --color-whisky-barrel-600: #8c6a4d;
  --color-whisky-barrel-700: #70543e;
  --color-whisky-barrel-800: #533d2c;
  --color-whisky-barrel-900: #3a2a1e;
  --color-whisky-barrel-950: #24180e;
}

SCSS

$whisky-barrel: #936f51;
$whisky-barrel-rgb: 147, 111, 81;
$whisky-barrel-light: mix(#fff, $whisky-barrel, 20%);
$whisky-barrel-dark: mix(#000, $whisky-barrel, 20%);

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