#756B5E

CSS

:root {
  --granite: #756b5e;
  --granite-rgb: 117 107 94;
  --granite-oklch: oklch(0.533 0.023 74.5);
}

.element {
  color: var(--granite);
  background-color: hsl(34 11% 41%);
  border-color: oklch(0.533 0.023 74.5);
}

Tailwind CSS v4

@theme {
  --color-granite: #756b5e;
  --color-granite-50: #f9f4ee;
  --color-granite-100: #ece7df;
  --color-granite-200: #dad3c9;
  --color-granite-300: #beb6aa;
  --color-granite-400: #a79d90;
  --color-granite-500: #908475;
  --color-granite-600: #7a7064;
  --color-granite-700: #61594f;
  --color-granite-800: #48413a;
  --color-granite-900: #322d27;
  --color-granite-950: #1e1a16;
}

SCSS

$granite: #756b5e;
$granite-rgb: 117, 107, 94;
$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);
}