#7DA666

CSS

:root {
  --garden-of-eden: #7da666;
  --garden-of-eden-rgb: 125 166 102;
  --garden-of-eden-oklch: oklch(0.679 0.1 134.9);
}

.element {
  color: var(--garden-of-eden);
  background-color: hsl(98 26% 53%);
  border-color: oklch(0.679 0.1 134.9);
}

Tailwind CSS v4

@theme {
  --color-garden-of-eden: #7da666;
  --color-garden-of-eden-50: #e8fce0;
  --color-garden-of-eden-100: #d9f0d0;
  --color-garden-of-eden-200: #c1dfb5;
  --color-garden-of-eden-300: #a0c491;
  --color-garden-of-eden-400: #85ac6f;
  --color-garden-of-eden-500: #69954f;
  --color-garden-of-eden-600: #597e43;
  --color-garden-of-eden-700: #476535;
  --color-garden-of-eden-800: #344a24;
  --color-garden-of-eden-900: #243318;
  --color-garden-of-eden-950: #131f09;
}

SCSS

$garden-of-eden: #7da666;
$garden-of-eden-rgb: 125, 166, 102;
$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);
}