#58813F

CSS

:root {
  --shepherd-s-green: #58813f;
  --shepherd-s-green-rgb: 88 129 63;
  --shepherd-s-green-oklch: oklch(0.557 0.105 134.8);
}

.element {
  color: var(--shepherd-s-green);
  background-color: hsl(97 34% 38%);
  border-color: oklch(0.557 0.105 134.8);
}

Tailwind CSS v4

@theme {
  --color-shepherd-s-green: #58813f;
  --color-shepherd-s-green-50: #e8fddf;
  --color-shepherd-s-green-100: #d8f1ce;
  --color-shepherd-s-green-200: #c0dfb3;
  --color-shepherd-s-green-300: #9ec48f;
  --color-shepherd-s-green-400: #84ac6c;
  --color-shepherd-s-green-500: #67954b;
  --color-shepherd-s-green-600: #587e40;
  --color-shepherd-s-green-700: #466533;
  --color-shepherd-s-green-800: #344a22;
  --color-shepherd-s-green-900: #233317;
  --color-shepherd-s-green-950: #121f08;
}

SCSS

$shepherd-s-green: #58813f;
$shepherd-s-green-rgb: 88, 129, 63;
$shepherd-s-green-light: mix(#fff, $shepherd-s-green, 20%);
$shepherd-s-green-dark: mix(#000, $shepherd-s-green, 20%);

.element {
  color: $shepherd-s-green;
  box-shadow: 0 0 0 2px rgba($shepherd-s-green, 0.35);
}