#79A673

CSS

:root {
  --garden-of-eden: #79a673;
  --garden-of-eden-rgb: 121 166 115;
  --garden-of-eden-oklch: oklch(0.679 0.088 141.6);
}

.element {
  color: var(--garden-of-eden);
  background-color: hsl(113 22% 55%);
  border-color: oklch(0.679 0.088 141.6);
}

Tailwind CSS v4

@theme {
  --color-garden-of-eden: #79a673;
  --color-garden-of-eden-50: #e7fce6;
  --color-garden-of-eden-100: #d7f0d6;
  --color-garden-of-eden-200: #bfdfbd;
  --color-garden-of-eden-300: #9dc49b;
  --color-garden-of-eden-400: #81ac7b;
  --color-garden-of-eden-500: #64955e;
  --color-garden-of-eden-600: #557e50;
  --color-garden-of-eden-700: #44653f;
  --color-garden-of-eden-800: #324a2c;
  --color-garden-of-eden-900: #22331e;
  --color-garden-of-eden-950: #111f0e;
}

SCSS

$garden-of-eden: #79a673;
$garden-of-eden-rgb: 121, 166, 115;
$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);
}