#80A747

CSS

:root {
  --lime-it-or-leave-it: #80a747;
  --lime-it-or-leave-it-rgb: 128 167 71;
  --lime-it-or-leave-it-oklch: oklch(0.679 0.132 128);
}

.element {
  color: var(--lime-it-or-leave-it);
  background-color: hsl(84 40% 47%);
  border-color: oklch(0.679 0.132 128);
}

Tailwind CSS v4

@theme {
  --color-lime-it-or-leave-it: #80a747;
  --color-lime-it-or-leave-it-50: #e9fdd6;
  --color-lime-it-or-leave-it-100: #d9f1c3;
  --color-lime-it-or-leave-it-200: #c2e0a4;
  --color-lime-it-or-leave-it-300: #a1c57c;
  --color-lime-it-or-leave-it-400: #88ad53;
  --color-lime-it-or-leave-it-500: #6c9625;
  --color-lime-it-or-leave-it-600: #5c7f22;
  --color-lime-it-or-leave-it-700: #49651b;
  --color-lime-it-or-leave-it-800: #374a0e;
  --color-lime-it-or-leave-it-900: #253309;
  --color-lime-it-or-leave-it-950: #141f00;
}

SCSS

$lime-it-or-leave-it: #80a747;
$lime-it-or-leave-it-rgb: 128, 167, 71;
$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);
}