#787654

CSS

:root {
  --greek-oregano: #787654;
  --greek-oregano-rgb: 120 118 84;
  --greek-oregano-oklch: oklch(0.559 0.049 105.1);
}

.element {
  color: var(--greek-oregano);
  background-color: hsl(57 18% 40%);
  border-color: oklch(0.559 0.049 105.1);
}

Tailwind CSS v4

@theme {
  --color-greek-oregano: #787654;
  --color-greek-oregano-50: #f6f6e6;
  --color-greek-oregano-100: #e9e9d7;
  --color-greek-oregano-200: #d6d6be;
  --color-greek-oregano-300: #baba9d;
  --color-greek-oregano-400: #a2a17f;
  --color-greek-oregano-500: #8b8862;
  --color-greek-oregano-600: #757353;
  --color-greek-oregano-700: #5e5c42;
  --color-greek-oregano-800: #45432f;
  --color-greek-oregano-900: #302e20;
  --color-greek-oregano-950: #1c1b10;
}

SCSS

$greek-oregano: #787654;
$greek-oregano-rgb: 120, 118, 84;
$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);
}