#797A20

CSS

:root {
  --olive: #797a20;
  --olive-rgb: 121 122 32;
  --olive-oklch: oklch(0.561 0.109 110.1);
}

.element {
  color: var(--olive);
  background-color: hsl(61 58% 30%);
  border-color: oklch(0.561 0.109 110.1);
}

Tailwind CSS v4

@theme {
  --color-olive: #797a20;
  --color-olive-50: #f5f9d5;
  --color-olive-100: #e8ecc3;
  --color-olive-200: #d5daa4;
  --color-olive-300: #b8bd7b;
  --color-olive-400: #a2a454;
  --color-olive-500: #8b8c27;
  --color-olive-600: #757623;
  --color-olive-700: #5e5f1c;
  --color-olive-800: #464511;
  --color-olive-900: #30300b;
  --color-olive-950: #1d1c01;
}

SCSS

$olive: #797a20;
$olive-rgb: 121, 122, 32;
$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);
}