#756A62

CSS

:root {
  --granite: #756a62;
  --granite-rgb: 117 106 98;
  --granite-oklch: oklch(0.532 0.019 58.4);
}

.element {
  color: var(--granite);
  background-color: hsl(25 9% 42%);
  border-color: oklch(0.532 0.019 58.4);
}

Tailwind CSS v4

@theme {
  --color-granite: #756a62;
  --color-granite-50: #f9f4f0;
  --color-granite-100: #ede7e2;
  --color-granite-200: #dad3cc;
  --color-granite-300: #bfb5ae;
  --color-granite-400: #a79c94;
  --color-granite-500: #90837a;
  --color-granite-600: #7a6f68;
  --color-granite-700: #615953;
  --color-granite-800: #48413c;
  --color-granite-900: #322d29;
  --color-granite-950: #1e1a17;
}

SCSS

$granite: #756a62;
$granite-rgb: 117, 106, 98;
$granite-light: mix(#fff, $granite, 20%);
$granite-dark: mix(#000, $granite, 20%);

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