#7D754A

CSS

:root {
  --greek-oregano: #7d754a;
  --greek-oregano-rgb: 125 117 74;
  --greek-oregano-oklch: oklch(0.559 0.062 99);
}

.element {
  color: var(--greek-oregano);
  background-color: hsl(51 26% 39%);
  border-color: oklch(0.559 0.062 99);
}

Tailwind CSS v4

@theme {
  --color-greek-oregano: #7d754a;
  --color-greek-oregano-50: #f9f6e2;
  --color-greek-oregano-100: #ece9d2;
  --color-greek-oregano-200: #d9d6b8;
  --color-greek-oregano-300: #beb995;
  --color-greek-oregano-400: #a7a075;
  --color-greek-oregano-500: #908757;
  --color-greek-oregano-600: #7a724a;
  --color-greek-oregano-700: #625b3b;
  --color-greek-oregano-800: #484329;
  --color-greek-oregano-900: #322e1c;
  --color-greek-oregano-950: #1e1b0c;
}

SCSS

$greek-oregano: #7d754a;
$greek-oregano-rgb: 125, 117, 74;
$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);
}