#004126

CSS

:root {
  --lost-in-the-woods: #004126;
  --lost-in-the-woods-rgb: 0 65 38;
  --lost-in-the-woods-oklch: oklch(0.331 0.077 158.3);
}

.element {
  color: var(--lost-in-the-woods);
  background-color: hsl(155 100% 13%);
  border-color: oklch(0.331 0.077 158.3);
}

Tailwind CSS v4

@theme {
  --color-lost-in-the-woods: #004126;
  --color-lost-in-the-woods-50: #e3fcee;
  --color-lost-in-the-woods-100: #d3f0df;
  --color-lost-in-the-woods-200: #b9dfc9;
  --color-lost-in-the-woods-300: #95c4aa;
  --color-lost-in-the-woods-400: #77ad8d;
  --color-lost-in-the-woods-500: #579673;
  --color-lost-in-the-woods-600: #4a7f61;
  --color-lost-in-the-woods-700: #3b654e;
  --color-lost-in-the-woods-800: #2b4a37;
  --color-lost-in-the-woods-900: #1d3426;
  --color-lost-in-the-woods-950: #0d1f14;
}

SCSS

$lost-in-the-woods: #004126;
$lost-in-the-woods-rgb: 0, 65, 38;
$lost-in-the-woods-light: mix(#fff, $lost-in-the-woods, 20%);
$lost-in-the-woods-dark: mix(#000, $lost-in-the-woods, 20%);

.element {
  color: $lost-in-the-woods;
  box-shadow: 0 0 0 2px rgba($lost-in-the-woods, 0.35);
}