#87A54F

CSS

:root {
  --lime-it-or-leave-it: #87a54f;
  --lime-it-or-leave-it-rgb: 135 165 79;
  --lime-it-or-leave-it-oklch: oklch(0.68 0.119 125.3);
}

.element {
  color: var(--lime-it-or-leave-it);
  background-color: hsl(81 35% 48%);
  border-color: oklch(0.68 0.119 125.3);
}

Tailwind CSS v4

@theme {
  --color-lime-it-or-leave-it: #87a54f;
  --color-lime-it-or-leave-it-50: #ecfcd8;
  --color-lime-it-or-leave-it-100: #ddf0c6;
  --color-lime-it-or-leave-it-200: #c6dea8;
  --color-lime-it-or-leave-it-300: #a7c381;
  --color-lime-it-or-leave-it-400: #8eab5a;
  --color-lime-it-or-leave-it-500: #749331;
  --color-lime-it-or-leave-it-600: #627d2b;
  --color-lime-it-or-leave-it-700: #4e6422;
  --color-lime-it-or-leave-it-800: #3a4915;
  --color-lime-it-or-leave-it-900: #28330d;
  --color-lime-it-or-leave-it-950: #161e02;
}

SCSS

$lime-it-or-leave-it: #87a54f;
$lime-it-or-leave-it-rgb: 135, 165, 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);
}