#8DA34F

CSS

:root {
  --lime-it-or-leave-it: #8da34f;
  --lime-it-or-leave-it-rgb: 141 163 79;
  --lime-it-or-leave-it-oklch: oklch(0.68 0.113 121.6);
}

.element {
  color: var(--lime-it-or-leave-it);
  background-color: hsl(76 35% 47%);
  border-color: oklch(0.68 0.113 121.6);
}

Tailwind CSS v4

@theme {
  --color-lime-it-or-leave-it: #8da34f;
  --color-lime-it-or-leave-it-50: #eefbd8;
  --color-lime-it-or-leave-it-100: #e0efc6;
  --color-lime-it-or-leave-it-200: #cadda8;
  --color-lime-it-or-leave-it-300: #acc280;
  --color-lime-it-or-leave-it-400: #94a95a;
  --color-lime-it-or-leave-it-500: #7a9131;
  --color-lime-it-or-leave-it-600: #687b2b;
  --color-lime-it-or-leave-it-700: #536222;
  --color-lime-it-or-leave-it-800: #3e4815;
  --color-lime-it-or-leave-it-900: #2a320e;
  --color-lime-it-or-leave-it-950: #181e02;
}

SCSS

$lime-it-or-leave-it: #8da34f;
$lime-it-or-leave-it-rgb: 141, 163, 79;
$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);
}