#87A556

CSS

:root {
  --lime-it-or-leave-it: #87a556;
  --lime-it-or-leave-it-rgb: 135 165 86;
  --lime-it-or-leave-it-oklch: oklch(0.681 0.111 126.3);
}

.element {
  color: var(--lime-it-or-leave-it);
  background-color: hsl(83 31% 49%);
  border-color: oklch(0.681 0.111 126.3);
}

Tailwind CSS v4

@theme {
  --color-lime-it-or-leave-it: #87a556;
  --color-lime-it-or-leave-it-50: #ecfcda;
  --color-lime-it-or-leave-it-100: #ddf0c8;
  --color-lime-it-or-leave-it-200: #c6deab;
  --color-lime-it-or-leave-it-300: #a7c385;
  --color-lime-it-or-leave-it-400: #8eaa60;
  --color-lime-it-or-leave-it-500: #73933a;
  --color-lime-it-or-leave-it-600: #627c32;
  --color-lime-it-or-leave-it-700: #4e6428;
  --color-lime-it-or-leave-it-800: #3a491a;
  --color-lime-it-or-leave-it-900: #283211;
  --color-lime-it-or-leave-it-950: #161e04;
}

SCSS

$lime-it-or-leave-it: #87a556;
$lime-it-or-leave-it-rgb: 135, 165, 86;
$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);
}