#706C65

CSS

:root {
  --volcanic-rock: #706c65;
  --volcanic-rock-rgb: 112 108 101;
  --volcanic-rock-oklch: oklch(0.533 0.012 81.8);
}

.element {
  color: var(--volcanic-rock);
  background-color: hsl(38 5% 42%);
  border-color: oklch(0.533 0.012 81.8);
}

Tailwind CSS v4

@theme {
  --color-volcanic-rock: #706c65;
  --color-volcanic-rock-50: #f7f5f1;
  --color-volcanic-rock-100: #eae8e3;
  --color-volcanic-rock-200: #d7d4cf;
  --color-volcanic-rock-300: #bab7b1;
  --color-volcanic-rock-400: #a29e97;
  --color-volcanic-rock-500: #8a867e;
  --color-volcanic-rock-600: #75716a;
  --color-volcanic-rock-700: #5d5a55;
  --color-volcanic-rock-800: #45423e;
  --color-volcanic-rock-900: #2f2d2b;
  --color-volcanic-rock-950: #1c1a18;
}

SCSS

$volcanic-rock: #706c65;
$volcanic-rock-rgb: 112, 108, 101;
$volcanic-rock-light: mix(#fff, $volcanic-rock, 20%);
$volcanic-rock-dark: mix(#000, $volcanic-rock, 20%);

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