#78A675

CSS

:root {
  --garden-of-eden: #78a675;
  --garden-of-eden-rgb: 120 166 117;
  --garden-of-eden-oklch: oklch(0.679 0.086 143.1);
}

.element {
  color: var(--garden-of-eden);
  background-color: hsl(116 22% 55%);
  border-color: oklch(0.679 0.086 143.1);
}

Tailwind CSS v4

@theme {
  --color-garden-of-eden: #78a675;
  --color-garden-of-eden-50: #e7fce6;
  --color-garden-of-eden-100: #d7f0d7;
  --color-garden-of-eden-200: #bedfbe;
  --color-garden-of-eden-300: #9cc49d;
  --color-garden-of-eden-400: #80ac7d;
  --color-garden-of-eden-500: #639560;
  --color-garden-of-eden-600: #547e52;
  --color-garden-of-eden-700: #436541;
  --color-garden-of-eden-800: #314a2d;
  --color-garden-of-eden-900: #21331f;
  --color-garden-of-eden-950: #111f0e;
}

SCSS

$garden-of-eden: #78a675;
$garden-of-eden-rgb: 120, 166, 117;
$garden-of-eden-light: mix(#fff, $garden-of-eden, 20%);
$garden-of-eden-dark: mix(#000, $garden-of-eden, 20%);

.element {
  color: $garden-of-eden;
  box-shadow: 0 0 0 2px rgba($garden-of-eden, 0.35);
}