#044023

CSS

:root {
  --lost-in-the-woods: #044023;
  --lost-in-the-woods-rgb: 4 64 35;
  --lost-in-the-woods-oklch: oklch(0.328 0.077 155.6);
}

.element {
  color: var(--lost-in-the-woods);
  background-color: hsl(151 88% 13%);
  border-color: oklch(0.328 0.077 155.6);
}

Tailwind CSS v4

@theme {
  --color-lost-in-the-woods: #044023;
  --color-lost-in-the-woods-50: #e4fced;
  --color-lost-in-the-woods-100: #d4f0de;
  --color-lost-in-the-woods-200: #badfc8;
  --color-lost-in-the-woods-300: #97c4a8;
  --color-lost-in-the-woods-400: #79ac8b;
  --color-lost-in-the-woods-500: #5a9670;
  --color-lost-in-the-woods-600: #4d7e5f;
  --color-lost-in-the-woods-700: #3d654c;
  --color-lost-in-the-woods-800: #2c4a36;
  --color-lost-in-the-woods-900: #1e3425;
  --color-lost-in-the-woods-950: #0e1f13;
}

SCSS

$lost-in-the-woods: #044023;
$lost-in-the-woods-rgb: 4, 64, 35;
$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);
}