#936F55

CSS

:root {
  --whisky-barrel: #936f55;
  --whisky-barrel-rgb: 147 111 85;
  --whisky-barrel-oklch: oklch(0.571 0.059 57);
}

.element {
  color: var(--whisky-barrel);
  background-color: hsl(25 27% 45%);
  border-color: oklch(0.571 0.059 57);
}

Tailwind CSS v4

@theme {
  --color-whisky-barrel: #936f55;
  --color-whisky-barrel-50: #fff2e5;
  --color-whisky-barrel-100: #f8e4d5;
  --color-whisky-barrel-200: #e8cfbc;
  --color-whisky-barrel-300: #cfb19a;
  --color-whisky-barrel-400: #ba967c;
  --color-whisky-barrel-500: #a57c5f;
  --color-whisky-barrel-600: #8b6951;
  --color-whisky-barrel-700: #705440;
  --color-whisky-barrel-800: #533d2f;
  --color-whisky-barrel-900: #3a2a1f;
  --color-whisky-barrel-950: #24170f;
}

SCSS

$whisky-barrel: #936f55;
$whisky-barrel-rgb: 147, 111, 85;
$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);
}