#60AC44

CSS

:root {
  --grass: #60ac44;
  --grass-rgb: 96 172 68;
  --grass-oklch: oklch(0.672 0.159 138.2);
}

.element {
  color: var(--grass);
  background-color: hsl(104 43% 47%);
  border-color: oklch(0.672 0.159 138.2);
}

Tailwind CSS v4

@theme {
  --color-grass: #60ac44;
  --color-grass-50: #deffd6;
  --color-grass-100: #ccf6c3;
  --color-grass-200: #b0e5a5;
  --color-grass-300: #8acb7d;
  --color-grass-400: #6cb452;
  --color-grass-500: #489d23;
  --color-grass-600: #3e8520;
  --color-grass-700: #326b1a;
  --color-grass-800: #264e0c;
  --color-grass-900: #193608;
  --color-grass-950: #0a2100;
}

SCSS

$grass: #60ac44;
$grass-rgb: 96, 172, 68;
$grass-light: mix(#fff, $grass, 20%);
$grass-dark: mix(#000, $grass, 20%);

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