#82A740

CSS

:root {
  --lime-it-or-leave-it: #82a740;
  --lime-it-or-leave-it-rgb: 130 167 64;
  --lime-it-or-leave-it-oklch: oklch(0.679 0.138 126.5);
}

.element {
  color: var(--lime-it-or-leave-it);
  background-color: hsl(82 45% 45%);
  border-color: oklch(0.679 0.138 126.5);
}

Tailwind CSS v4

@theme {
  --color-lime-it-or-leave-it: #82a740;
  --color-lime-it-or-leave-it-50: #e9fdd4;
  --color-lime-it-or-leave-it-100: #daf1c1;
  --color-lime-it-or-leave-it-200: #c3e0a1;
  --color-lime-it-or-leave-it-300: #a2c578;
  --color-lime-it-or-leave-it-400: #89ad4d;
  --color-lime-it-or-leave-it-500: #6e9616;
  --color-lime-it-or-leave-it-600: #5e7f18;
  --color-lime-it-or-leave-it-700: #4b6513;
  --color-lime-it-or-leave-it-800: #384a08;
  --color-lime-it-or-leave-it-900: #263305;
  --color-lime-it-or-leave-it-950: #151f00;
}

SCSS

$lime-it-or-leave-it: #82a740;
$lime-it-or-leave-it-rgb: 130, 167, 64;
$lime-it-or-leave-it-light: mix(#fff, $lime-it-or-leave-it, 20%);
$lime-it-or-leave-it-dark: mix(#000, $lime-it-or-leave-it, 20%);

.element {
  color: $lime-it-or-leave-it;
  box-shadow: 0 0 0 2px rgba($lime-it-or-leave-it, 0.35);
}