#4F6F00

CSS

:root {
  --over-the-hills: #4f6f00;
  --over-the-hills-rgb: 79 111 0;
  --over-the-hills-oklch: oklch(0.498 0.128 126.9);
}

.element {
  color: var(--over-the-hills);
  background-color: hsl(77 100% 22%);
  border-color: oklch(0.498 0.128 126.9);
}

Tailwind CSS v4

@theme {
  --color-over-the-hills: #4f6f00;
  --color-over-the-hills-50: #eafdd6;
  --color-over-the-hills-100: #dbf1c4;
  --color-over-the-hills-200: #c3e0a5;
  --color-over-the-hills-300: #a3c47d;
  --color-over-the-hills-400: #8aac55;
  --color-over-the-hills-500: #6f9528;
  --color-over-the-hills-600: #5e7e24;
  --color-over-the-hills-700: #4b651d;
  --color-over-the-hills-800: #384a10;
  --color-over-the-hills-900: #27330a;
  --color-over-the-hills-950: #151f00;
}

SCSS

$over-the-hills: #4f6f00;
$over-the-hills-rgb: 79, 111, 0;
$over-the-hills-light: mix(#fff, $over-the-hills, 20%);
$over-the-hills-dark: mix(#000, $over-the-hills, 20%);

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