#4F770D

CSS

:root {
  --over-the-hills: #4f770d;
  --over-the-hills-rgb: 79 119 13;
  --over-the-hills-oklch: oklch(0.52 0.134 129.7);
}

.element {
  color: var(--over-the-hills);
  background-color: hsl(83 80% 26%);
  border-color: oklch(0.52 0.134 129.7);
}

Tailwind CSS v4

@theme {
  --color-over-the-hills: #4f770d;
  --color-over-the-hills-50: #e7fed6;
  --color-over-the-hills-100: #d8f2c4;
  --color-over-the-hills-200: #c0e1a5;
  --color-over-the-hills-300: #9ec67d;
  --color-over-the-hills-400: #85ae54;
  --color-over-the-hills-500: #699727;
  --color-over-the-hills-600: #597f24;
  --color-over-the-hills-700: #47661c;
  --color-over-the-hills-800: #354b10;
  --color-over-the-hills-900: #24340a;
  --color-over-the-hills-950: #131f00;
}

SCSS

$over-the-hills: #4f770d;
$over-the-hills-rgb: 79, 119, 13;
$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);
}