Olive Night

CSS

:root {
  --olive-night: #565342;
  --olive-night-rgb: 86 83 66;
  --olive-night-oklch: oklch(0.44 0.027 99.1);
}

.element {
  color: var(--olive-night);
  background-color: hsl(51 13% 30%);
  border-color: oklch(0.44 0.027 99.1);
}

Tailwind CSS v4

@theme {
  --color-olive-night: #565342;
  --color-olive-night-50: #f7f5ed;
  --color-olive-night-100: #e9e8de;
  --color-olive-night-200: #d6d5c8;
  --color-olive-night-300: #bab8a9;
  --color-olive-night-400: #a29f8d;
  --color-olive-night-500: #8a8773;
  --color-olive-night-600: #757261;
  --color-olive-night-700: #5e5b4e;
  --color-olive-night-800: #454338;
  --color-olive-night-900: #302e26;
  --color-olive-night-950: #1c1b15;
}

SCSS

$olive-night: #565342;
$olive-night-rgb: 86, 83, 66;
$olive-night-light: mix(#fff, $olive-night, 20%);
$olive-night-dark: mix(#000, $olive-night, 20%);

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