#C28379

CSS

:root {
  --whisky: #c28379;
  --whisky-rgb: 194 131 121;
  --whisky-oklch: oklch(0.671 0.08 29.3);
}

.element {
  color: var(--whisky);
  background-color: hsl(8 37% 62%);
  border-color: oklch(0.671 0.08 29.3);
}

Tailwind CSS v4

@theme {
  --color-whisky: #c28379;
  --color-whisky-50: #ffede7;
  --color-whisky-100: #ffdfd8;
  --color-whisky-200: #f5c8c0;
  --color-whisky-300: #dda99e;
  --color-whisky-400: #c98d83;
  --color-whisky-500: #b57167;
  --color-whisky-600: #996058;
  --color-whisky-700: #7b4d46;
  --color-whisky-800: #5b3733;
  --color-whisky-900: #402623;
  --color-whisky-950: #281412;
}

SCSS

$whisky: #c28379;
$whisky-rgb: 194, 131, 121;
$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);
}