#7EA573

CSS

:root {
  --garden-of-eden: #7ea573;
  --garden-of-eden-rgb: 126 165 115;
  --garden-of-eden-oklch: oklch(0.68 0.083 138.9);
}

.element {
  color: var(--garden-of-eden);
  background-color: hsl(107 22% 55%);
  border-color: oklch(0.68 0.083 138.9);
}

Tailwind CSS v4

@theme {
  --color-garden-of-eden: #7ea573;
  --color-garden-of-eden-50: #e9fce5;
  --color-garden-of-eden-100: #d9efd5;
  --color-garden-of-eden-200: #c1debc;
  --color-garden-of-eden-300: #a1c39b;
  --color-garden-of-eden-400: #85ab7b;
  --color-garden-of-eden-500: #69945d;
  --color-garden-of-eden-600: #597d4f;
  --color-garden-of-eden-700: #47643f;
  --color-garden-of-eden-800: #35492c;
  --color-garden-of-eden-900: #24331e;
  --color-garden-of-eden-950: #131e0e;
}

SCSS

$garden-of-eden: #7ea573;
$garden-of-eden-rgb: 126, 165, 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);
}