#8BA44B

CSS

:root {
  --lime-it-or-leave-it: #8ba44b;
  --lime-it-or-leave-it-rgb: 139 164 75;
  --lime-it-or-leave-it-oklch: oklch(0.68 0.12 122.6);
}

.element {
  color: var(--lime-it-or-leave-it);
  background-color: hsl(77 37% 47%);
  border-color: oklch(0.68 0.12 122.6);
}

Tailwind CSS v4

@theme {
  --color-lime-it-or-leave-it: #8ba44b;
  --color-lime-it-or-leave-it-50: #edfcd7;
  --color-lime-it-or-leave-it-100: #dfefc4;
  --color-lime-it-or-leave-it-200: #c9dea6;
  --color-lime-it-or-leave-it-300: #aac27e;
  --color-lime-it-or-leave-it-400: #92aa56;
  --color-lime-it-or-leave-it-500: #78922b;
  --color-lime-it-or-leave-it-600: #667c26;
  --color-lime-it-or-leave-it-700: #51631f;
  --color-lime-it-or-leave-it-800: #3d4812;
  --color-lime-it-or-leave-it-900: #2a320b;
  --color-lime-it-or-leave-it-950: #171e01;
}

SCSS

$lime-it-or-leave-it: #8ba44b;
$lime-it-or-leave-it-rgb: 139, 164, 75;
$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);
}