#333F01

CSS

:root {
  --dark-olive: #333f01;
  --dark-olive-rgb: 51 63 1;
  --dark-olive-oklch: oklch(0.345 0.082 121.1);
}

.element {
  color: var(--dark-olive);
  background-color: hsl(72 97% 13%);
  border-color: oklch(0.345 0.082 121.1);
}

Tailwind CSS v4

@theme {
  --color-dark-olive: #333f01;
  --color-dark-olive-50: #f0f9e0;
  --color-dark-olive-100: #e2edcf;
  --color-dark-olive-200: #cddbb4;
  --color-dark-olive-300: #afbf91;
  --color-dark-olive-400: #97a66f;
  --color-dark-olive-500: #7e8f4f;
  --color-dark-olive-600: #6b7943;
  --color-dark-olive-700: #556136;
  --color-dark-olive-800: #3f4625;
  --color-dark-olive-900: #2b3119;
  --color-dark-olive-950: #191d09;
}

SCSS

$dark-olive: #333f01;
$dark-olive-rgb: 51, 63, 1;
$dark-olive-light: mix(#fff, $dark-olive, 20%);
$dark-olive-dark: mix(#000, $dark-olive, 20%);

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