#88A453

CSS

:root {
  --lime-it-or-leave-it: #88a453;
  --lime-it-or-leave-it-rgb: 136 164 83;
  --lime-it-or-leave-it-oklch: oklch(0.679 0.113 125);
}

.element {
  color: var(--lime-it-or-leave-it);
  background-color: hsl(81 33% 48%);
  border-color: oklch(0.679 0.113 125);
}

Tailwind CSS v4

@theme {
  --color-lime-it-or-leave-it: #88a453;
  --color-lime-it-or-leave-it-50: #ecfcd9;
  --color-lime-it-or-leave-it-100: #def0c7;
  --color-lime-it-or-leave-it-200: #c7deaa;
  --color-lime-it-or-leave-it-300: #a8c383;
  --color-lime-it-or-leave-it-400: #8faa5e;
  --color-lime-it-or-leave-it-500: #759337;
  --color-lime-it-or-leave-it-600: #637c30;
  --color-lime-it-or-leave-it-700: #4f6326;
  --color-lime-it-or-leave-it-800: #3b4918;
  --color-lime-it-or-leave-it-900: #28320f;
  --color-lime-it-or-leave-it-950: #161e03;
}

SCSS

$lime-it-or-leave-it: #88a453;
$lime-it-or-leave-it-rgb: 136, 164, 83;
$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);
}