#807447

CSS

:root {
  --greek-oregano: #807447;
  --greek-oregano-rgb: 128 116 71;
  --greek-oregano-oklch: oklch(0.559 0.065 94.9);
}

.element {
  color: var(--greek-oregano);
  background-color: hsl(47 29% 39%);
  border-color: oklch(0.559 0.065 94.9);
}

Tailwind CSS v4

@theme {
  --color-greek-oregano: #807447;
  --color-greek-oregano-50: #faf6e1;
  --color-greek-oregano-100: #eee8d0;
  --color-greek-oregano-200: #dcd5b6;
  --color-greek-oregano-300: #c0b892;
  --color-greek-oregano-400: #aa9f73;
  --color-greek-oregano-500: #948653;
  --color-greek-oregano-600: #7d7147;
  --color-greek-oregano-700: #645b38;
  --color-greek-oregano-800: #4a4228;
  --color-greek-oregano-900: #332e1b;
  --color-greek-oregano-950: #1f1a0b;
}

SCSS

$greek-oregano: #807447;
$greek-oregano-rgb: 128, 116, 71;
$greek-oregano-light: mix(#fff, $greek-oregano, 20%);
$greek-oregano-dark: mix(#000, $greek-oregano, 20%);

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