#768800

CSS

:root {
  --olive: #768800;
  --olive-rgb: 118 136 0;
  --olive-oklch: oklch(0.591 0.138 118.6);
}

.element {
  color: var(--olive);
  background-color: hsl(68 100% 27%);
  border-color: oklch(0.591 0.138 118.6);
}

Tailwind CSS v4

@theme {
  --color-olive: #768800;
  --color-olive-50: #effcd0;
  --color-olive-100: #e1f0bc;
  --color-olive-200: #ccde9b;
  --color-olive-300: #adc26f;
  --color-olive-400: #96a941;
  --color-olive-500: #7e9200;
  --color-olive-600: #6a7b00;
  --color-olive-700: #556300;
  --color-olive-800: #404800;
  --color-olive-900: #2c3200;
  --color-olive-950: #191e00;
}

SCSS

$olive: #768800;
$olive-rgb: 118, 136, 0;
$olive-light: mix(#fff, $olive, 20%);
$olive-dark: mix(#000, $olive, 20%);

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