#7E7542

CSS

:root {
  --greek-oregano: #7e7542;
  --greek-oregano-rgb: 126 117 66;
  --greek-oregano-oklch: oklch(0.558 0.071 99.5);
}

.element {
  color: var(--greek-oregano);
  background-color: hsl(51 31% 38%);
  border-color: oklch(0.558 0.071 99.5);
}

Tailwind CSS v4

@theme {
  --color-greek-oregano: #7e7542;
  --color-greek-oregano-50: #f9f6df;
  --color-greek-oregano-100: #ece9ce;
  --color-greek-oregano-200: #dad6b3;
  --color-greek-oregano-300: #bfb98f;
  --color-greek-oregano-400: #a8a06e;
  --color-greek-oregano-500: #91874e;
  --color-greek-oregano-600: #7b7343;
  --color-greek-oregano-700: #625c35;
  --color-greek-oregano-800: #494325;
  --color-greek-oregano-900: #332e19;
  --color-greek-oregano-950: #1e1b09;
}

SCSS

$greek-oregano: #7e7542;
$greek-oregano-rgb: 126, 117, 66;
$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);
}