#487302

CSS

:root {
  --over-the-hills: #487302;
  --over-the-hills-rgb: 72 115 2;
  --over-the-hills-oklch: oklch(0.504 0.136 130.7);
}

.element {
  color: var(--over-the-hills);
  background-color: hsl(83 97% 23%);
  border-color: oklch(0.504 0.136 130.7);
}

Tailwind CSS v4

@theme {
  --color-over-the-hills: #487302;
  --color-over-the-hills-50: #e6fed6;
  --color-over-the-hills-100: #d7f2c4;
  --color-over-the-hills-200: #bee1a5;
  --color-over-the-hills-300: #9cc77d;
  --color-over-the-hills-400: #82af54;
  --color-over-the-hills-500: #669727;
  --color-over-the-hills-600: #568023;
  --color-over-the-hills-700: #45671c;
  --color-over-the-hills-800: #344b0f;
  --color-over-the-hills-900: #233409;
  --color-over-the-hills-950: #121f00;
}

SCSS

$over-the-hills: #487302;
$over-the-hills-rgb: 72, 115, 2;
$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);
}