#7DA570

CSS

:root {
  --garden-of-eden: #7da570;
  --garden-of-eden-rgb: 125 165 112;
  --garden-of-eden-oklch: oklch(0.679 0.087 138.2);
}

.element {
  color: var(--garden-of-eden);
  background-color: hsl(105 23% 54%);
  border-color: oklch(0.679 0.087 138.2);
}

Tailwind CSS v4

@theme {
  --color-garden-of-eden: #7da570;
  --color-garden-of-eden-50: #e8fce4;
  --color-garden-of-eden-100: #d9f0d4;
  --color-garden-of-eden-200: #c1debb;
  --color-garden-of-eden-300: #a0c399;
  --color-garden-of-eden-400: #85ab79;
  --color-garden-of-eden-500: #69945a;
  --color-garden-of-eden-600: #597d4d;
  --color-garden-of-eden-700: #47643d;
  --color-garden-of-eden-800: #34492a;
  --color-garden-of-eden-900: #24331d;
  --color-garden-of-eden-950: #121e0d;
}

SCSS

$garden-of-eden: #7da570;
$garden-of-eden-rgb: 125, 165, 112;
$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);
}