#747B00

CSS

:root {
  --olive: #747b00;
  --olive-rgb: 116 123 0;
  --olive-oklch: oklch(0.558 0.125 113.7);
}

.element {
  color: var(--olive);
  background-color: hsl(63 100% 24%);
  border-color: oklch(0.558 0.125 113.7);
}

Tailwind CSS v4

@theme {
  --color-olive: #747b00;
  --color-olive-50: #f3fad2;
  --color-olive-100: #e5eebe;
  --color-olive-200: #d1db9e;
  --color-olive-300: #b4c074;
  --color-olive-400: #9ea648;
  --color-olive-500: #868e06;
  --color-olive-600: #72780e;
  --color-olive-700: #5b600c;
  --color-olive-800: #444604;
  --color-olive-900: #2f3104;
  --color-olive-950: #1c1d00;
}

SCSS

$olive: #747b00;
$olive-rgb: 116, 123, 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);
}