#318733

CSS

:root {
  --resplendent-growth: #318733;
  --resplendent-growth-rgb: 49 135 51;
  --resplendent-growth-oklch: oklch(0.552 0.146 143.6);
}

.element {
  color: var(--resplendent-growth);
  background-color: hsl(121 47% 36%);
  border-color: oklch(0.552 0.146 143.6);
}

Tailwind CSS v4

@theme {
  --color-resplendent-growth: #318733;
  --color-resplendent-growth-50: #dcffdc;
  --color-resplendent-growth-100: #caf6cb;
  --color-resplendent-growth-200: #ace5af;
  --color-resplendent-growth-300: #85cb89;
  --color-resplendent-growth-400: #65b464;
  --color-resplendent-growth-500: #3d9e3f;
  --color-resplendent-growth-600: #358537;
  --color-resplendent-growth-700: #2b6b2b;
  --color-resplendent-growth-800: #214e1b;
  --color-resplendent-growth-900: #163712;
  --color-resplendent-growth-950: #062104;
}

SCSS

$resplendent-growth: #318733;
$resplendent-growth-rgb: 49, 135, 51;
$resplendent-growth-light: mix(#fff, $resplendent-growth, 20%);
$resplendent-growth-dark: mix(#000, $resplendent-growth, 20%);

.element {
  color: $resplendent-growth;
  box-shadow: 0 0 0 2px rgba($resplendent-growth, 0.35);
}