#A39C63

CSS

:root {
  --garden-of-earthly-delights: #a39c63;
  --garden-of-earthly-delights-rgb: 163 156 99;
  --garden-of-earthly-delights-oklch: oklch(0.685 0.077 102.2);
}

.element {
  color: var(--garden-of-earthly-delights);
  background-color: hsl(53 26% 51%);
  border-color: oklch(0.685 0.077 102.2);
}

Tailwind CSS v4

@theme {
  --color-garden-of-earthly-delights: #a39c63;
  --color-garden-of-earthly-delights-50: #f8f7de;
  --color-garden-of-earthly-delights-100: #eceacd;
  --color-garden-of-earthly-delights-200: #d9d6b1;
  --color-garden-of-earthly-delights-300: #bdba8c;
  --color-garden-of-earthly-delights-400: #a7a16b;
  --color-garden-of-earthly-delights-500: #908849;
  --color-garden-of-earthly-delights-600: #7a733f;
  --color-garden-of-earthly-delights-700: #625c32;
  --color-garden-of-earthly-delights-800: #484322;
  --color-garden-of-earthly-delights-900: #322e17;
  --color-garden-of-earthly-delights-950: #1e1b08;
}

SCSS

$garden-of-earthly-delights: #a39c63;
$garden-of-earthly-delights-rgb: 163, 156, 99;
$garden-of-earthly-delights-light: mix(#fff, $garden-of-earthly-delights, 20%);
$garden-of-earthly-delights-dark: mix(#000, $garden-of-earthly-delights, 20%);

.element {
  color: $garden-of-earthly-delights;
  box-shadow: 0 0 0 2px rgba($garden-of-earthly-delights, 0.35);
}