#7CA668

CSS

:root {
  --garden-of-eden: #7ca668;
  --garden-of-eden-rgb: 124 166 104;
  --garden-of-eden-oklch: oklch(0.679 0.099 136);
}

.element {
  color: var(--garden-of-eden);
  background-color: hsl(101 26% 53%);
  border-color: oklch(0.679 0.099 136);
}

Tailwind CSS v4

@theme {
  --color-garden-of-eden: #7ca668;
  --color-garden-of-eden-50: #e8fce1;
  --color-garden-of-eden-100: #d8f0d0;
  --color-garden-of-eden-200: #c0dfb6;
  --color-garden-of-eden-300: #9fc493;
  --color-garden-of-eden-400: #84ac71;
  --color-garden-of-eden-500: #689551;
  --color-garden-of-eden-600: #587e45;
  --color-garden-of-eden-700: #466537;
  --color-garden-of-eden-800: #344a26;
  --color-garden-of-eden-900: #233319;
  --color-garden-of-eden-950: #121f0a;
}

SCSS

$garden-of-eden: #7ca668;
$garden-of-eden-rgb: 124, 166, 104;
$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);
}