#8BA448

CSS

:root {
  --lime-it-or-leave-it: #8ba448;
  --lime-it-or-leave-it-rgb: 139 164 72;
  --lime-it-or-leave-it-oklch: oklch(0.68 0.122 122.4);
}

.element {
  color: var(--lime-it-or-leave-it);
  background-color: hsl(76 39% 46%);
  border-color: oklch(0.68 0.122 122.4);
}

Tailwind CSS v4

@theme {
  --color-lime-it-or-leave-it: #8ba448;
  --color-lime-it-or-leave-it-50: #edfcd6;
  --color-lime-it-or-leave-it-100: #dff0c3;
  --color-lime-it-or-leave-it-200: #c9dea4;
  --color-lime-it-or-leave-it-300: #aac27c;
  --color-lime-it-or-leave-it-400: #92aa54;
  --color-lime-it-or-leave-it-500: #789226;
  --color-lime-it-or-leave-it-600: #667c23;
  --color-lime-it-or-leave-it-700: #51631c;
  --color-lime-it-or-leave-it-800: #3d4810;
  --color-lime-it-or-leave-it-900: #2a320a;
  --color-lime-it-or-leave-it-950: #171e00;
}

SCSS

$lime-it-or-leave-it: #8ba448;
$lime-it-or-leave-it-rgb: 139, 164, 72;
$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);
}