The Legend of Green

CSS

:root {
  --the-legend-of-green: #558844;
  --the-legend-of-green-rgb: 85 136 68;
  --the-legend-of-green-oklch: oklch(0.574 0.113 138.3);
}

.element {
  color: var(--the-legend-of-green);
  background-color: hsl(105 33% 40%);
  border-color: oklch(0.574 0.113 138.3);
}

Tailwind CSS v4

@theme {
  --color-the-legend-of-green: #558844;
  --color-the-legend-of-green-50: #e5fedf;
  --color-the-legend-of-green-100: #d4f2ce;
  --color-the-legend-of-green-200: #bbe1b3;
  --color-the-legend-of-green-300: #98c68f;
  --color-the-legend-of-green-400: #7cae6c;
  --color-the-legend-of-green-500: #5e974b;
  --color-the-legend-of-green-600: #508040;
  --color-the-legend-of-green-700: #406733;
  --color-the-legend-of-green-800: #2f4b22;
  --color-the-legend-of-green-900: #203417;
  --color-the-legend-of-green-950: #101f08;
}

SCSS

$the-legend-of-green: #558844;
$the-legend-of-green-rgb: 85, 136, 68;
$the-legend-of-green-light: mix(#fff, $the-legend-of-green, 20%);
$the-legend-of-green-dark: mix(#000, $the-legend-of-green, 20%);

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