#84A64E

CSS

:root {
  --lime-it-or-leave-it: #84a64e;
  --lime-it-or-leave-it-rgb: 132 166 78;
  --lime-it-or-leave-it-oklch: oklch(0.68 0.122 126.9);
}

.element {
  color: var(--lime-it-or-leave-it);
  background-color: hsl(83 36% 48%);
  border-color: oklch(0.68 0.122 126.9);
}

Tailwind CSS v4

@theme {
  --color-lime-it-or-leave-it: #84a64e;
  --color-lime-it-or-leave-it-50: #eafdd8;
  --color-lime-it-or-leave-it-100: #dbf1c5;
  --color-lime-it-or-leave-it-200: #c4dfa7;
  --color-lime-it-or-leave-it-300: #a4c480;
  --color-lime-it-or-leave-it-400: #8bac59;
  --color-lime-it-or-leave-it-500: #70942f;
  --color-lime-it-or-leave-it-600: #5f7e2a;
  --color-lime-it-or-leave-it-700: #4c6521;
  --color-lime-it-or-leave-it-800: #394914;
  --color-lime-it-or-leave-it-900: #27330d;
  --color-lime-it-or-leave-it-950: #151e01;
}

SCSS

$lime-it-or-leave-it: #84a64e;
$lime-it-or-leave-it-rgb: 132, 166, 78;
$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);
}