#8E6E53

CSS

:root {
  --whisky-barrel: #8e6e53;
  --whisky-barrel-rgb: 142 110 83;
  --whisky-barrel-oklch: oklch(0.563 0.057 61.4);
}

.element {
  color: var(--whisky-barrel);
  background-color: hsl(27 26% 44%);
  border-color: oklch(0.563 0.057 61.4);
}

Tailwind CSS v4

@theme {
  --color-whisky-barrel: #8e6e53;
  --color-whisky-barrel-50: #fff2e5;
  --color-whisky-barrel-100: #f6e4d5;
  --color-whisky-barrel-200: #e6d0bc;
  --color-whisky-barrel-300: #cdb29a;
  --color-whisky-barrel-400: #b8977d;
  --color-whisky-barrel-500: #a27e5f;
  --color-whisky-barrel-600: #896b51;
  --color-whisky-barrel-700: #6e5541;
  --color-whisky-barrel-800: #513e2f;
  --color-whisky-barrel-900: #392b1f;
  --color-whisky-barrel-950: #23180f;
}

SCSS

$whisky-barrel: #8e6e53;
$whisky-barrel-rgb: 142, 110, 83;
$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);
}