#84770E

CSS

:root {
  --olive: #84770e;
  --olive-rgb: 132 119 14;
  --olive-oklch: oklch(0.564 0.114 101.4);
}

.element {
  color: var(--olive);
  background-color: hsl(53 81% 29%);
  border-color: oklch(0.564 0.114 101.4);
}

Tailwind CSS v4

@theme {
  --color-olive: #84770e;
  --color-olive-50: #faf7d2;
  --color-olive-100: #eeeabf;
  --color-olive-200: #dcd79f;
  --color-olive-300: #c1ba75;
  --color-olive-400: #ada04b;
  --color-olive-500: #968811;
  --color-olive-600: #7f7314;
  --color-olive-700: #665c11;
  --color-olive-800: #4c4308;
  --color-olive-900: #352e06;
  --color-olive-950: #201b00;
}

SCSS

$olive: #84770e;
$olive-rgb: 132, 119, 14;
$olive-light: mix(#fff, $olive, 20%);
$olive-dark: mix(#000, $olive, 20%);

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