#00412A

CSS

:root {
  --lost-in-the-woods: #00412a;
  --lost-in-the-woods-rgb: 0 65 42;
  --lost-in-the-woods-oklch: oklch(0.332 0.073 162);
}

.element {
  color: var(--lost-in-the-woods);
  background-color: hsl(159 100% 13%);
  border-color: oklch(0.332 0.073 162);
}

Tailwind CSS v4

@theme {
  --color-lost-in-the-woods: #00412a;
  --color-lost-in-the-woods-50: #e3fcf0;
  --color-lost-in-the-woods-100: #d3f0e1;
  --color-lost-in-the-woods-200: #b9dfcc;
  --color-lost-in-the-woods-300: #95c4ad;
  --color-lost-in-the-woods-400: #77ac91;
  --color-lost-in-the-woods-500: #579577;
  --color-lost-in-the-woods-600: #4a7e65;
  --color-lost-in-the-woods-700: #3b6551;
  --color-lost-in-the-woods-800: #2b4a3a;
  --color-lost-in-the-woods-900: #1d3427;
  --color-lost-in-the-woods-950: #0d1f16;
}

SCSS

$lost-in-the-woods: #00412a;
$lost-in-the-woods-rgb: 0, 65, 42;
$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);
}