#7A764D

CSS

:root {
  --greek-oregano: #7a764d;
  --greek-oregano-rgb: 122 118 77;
  --greek-oregano-oklch: oklch(0.559 0.059 103.4);
}

.element {
  color: var(--greek-oregano);
  background-color: hsl(55 23% 39%);
  border-color: oklch(0.559 0.059 103.4);
}

Tailwind CSS v4

@theme {
  --color-greek-oregano: #7a764d;
  --color-greek-oregano-50: #f7f6e3;
  --color-greek-oregano-100: #eae9d3;
  --color-greek-oregano-200: #d7d6ba;
  --color-greek-oregano-300: #bbba97;
  --color-greek-oregano-400: #a4a078;
  --color-greek-oregano-500: #8d885a;
  --color-greek-oregano-600: #77734d;
  --color-greek-oregano-700: #5f5c3d;
  --color-greek-oregano-800: #46432b;
  --color-greek-oregano-900: #312e1d;
  --color-greek-oregano-950: #1d1b0d;
}

SCSS

$greek-oregano: #7a764d;
$greek-oregano-rgb: 122, 118, 77;
$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);
}