#C28E81

CSS

:root {
  --whisky: #c28e81;
  --whisky-rgb: 194 142 129;
  --whisky-oklch: oklch(0.694 0.067 34.5);
}

.element {
  color: var(--whisky);
  background-color: hsl(12 35% 63%);
  border-color: oklch(0.694 0.067 34.5);
}

Tailwind CSS v4

@theme {
  --color-whisky: #c28e81;
  --color-whisky-50: #ffefe8;
  --color-whisky-100: #fde1d9;
  --color-whisky-200: #efcbc1;
  --color-whisky-300: #d7aca0;
  --color-whisky-400: #c29184;
  --color-whisky-500: #ae7669;
  --color-whisky-600: #936459;
  --color-whisky-700: #765047;
  --color-whisky-800: #573a34;
  --color-whisky-900: #3d2823;
  --color-whisky-950: #261612;
}

SCSS

$whisky: #c28e81;
$whisky-rgb: 194, 142, 129;
$whisky-light: mix(#fff, $whisky, 20%);
$whisky-dark: mix(#000, $whisky, 20%);

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