#786A5B

CSS

:root {
  --granite: #786a5b;
  --granite-rgb: 120 106 91;
  --granite-oklch: oklch(0.533 0.029 69.1);
}

.element {
  color: var(--granite);
  background-color: hsl(31 14% 41%);
  border-color: oklch(0.533 0.029 69.1);
}

Tailwind CSS v4

@theme {
  --color-granite: #786a5b;
  --color-granite-50: #fbf4ec;
  --color-granite-100: #eee6de;
  --color-granite-200: #dcd2c7;
  --color-granite-300: #c1b5a8;
  --color-granite-400: #aa9c8d;
  --color-granite-500: #938372;
  --color-granite-600: #7c6f61;
  --color-granite-700: #64594d;
  --color-granite-800: #494138;
  --color-granite-900: #332d26;
  --color-granite-950: #1f1a15;
}

SCSS

$granite: #786a5b;
$granite-rgb: 120, 106, 91;
$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);
}