#238712

CSS

:root {
  --green-bell-pepper: #238712;
  --green-bell-pepper-rgb: 35 135 18;
  --green-bell-pepper-oklch: oklch(0.546 0.172 141.3);
}

.element {
  color: var(--green-bell-pepper);
  background-color: hsl(111 76% 30%);
  border-color: oklch(0.546 0.172 141.3);
}

Tailwind CSS v4

@theme {
  --color-green-bell-pepper: #238712;
  --color-green-bell-pepper-50: #d9ffd6;
  --color-green-bell-pepper-100: #c6f7c3;
  --color-green-bell-pepper-200: #a8e8a4;
  --color-green-bell-pepper-300: #7fce7c;
  --color-green-bell-pepper-400: #5eb751;
  --color-green-bell-pepper-500: #31a020;
  --color-green-bell-pepper-600: #2c871e;
  --color-green-bell-pepper-700: #236d18;
  --color-green-bell-pepper-800: #1c500a;
  --color-green-bell-pepper-900: #133707;
  --color-green-bell-pepper-950: #042200;
}

SCSS

$green-bell-pepper: #238712;
$green-bell-pepper-rgb: 35, 135, 18;
$green-bell-pepper-light: mix(#fff, $green-bell-pepper, 20%);
$green-bell-pepper-dark: mix(#000, $green-bell-pepper, 20%);

.element {
  color: $green-bell-pepper;
  box-shadow: 0 0 0 2px rgba($green-bell-pepper, 0.35);
}