#7FA73E

CSS

:root {
  --lime-it-or-leave-it: #7fa73e;
  --lime-it-or-leave-it-rgb: 127 167 62;
  --lime-it-or-leave-it-oklch: oklch(0.677 0.141 127.5);
}

.element {
  color: var(--lime-it-or-leave-it);
  background-color: hsl(83 46% 45%);
  border-color: oklch(0.677 0.141 127.5);
}

Tailwind CSS v4

@theme {
  --color-lime-it-or-leave-it: #7fa73e;
  --color-lime-it-or-leave-it-50: #e8fed4;
  --color-lime-it-or-leave-it-100: #d9f2c0;
  --color-lime-it-or-leave-it-200: #c1e1a1;
  --color-lime-it-or-leave-it-300: #a0c677;
  --color-lime-it-or-leave-it-400: #87ae4c;
  --color-lime-it-or-leave-it-500: #6c9613;
  --color-lime-it-or-leave-it-600: #5b7f16;
  --color-lime-it-or-leave-it-700: #496612;
  --color-lime-it-or-leave-it-800: #374a06;
  --color-lime-it-or-leave-it-900: #253405;
  --color-lime-it-or-leave-it-950: #141f00;
}

SCSS

$lime-it-or-leave-it: #7fa73e;
$lime-it-or-leave-it-rgb: 127, 167, 62;
$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);
}