#004B30

CSS

:root {
  --lost-in-the-woods: #004b30;
  --lost-in-the-woods-rgb: 0 75 48;
  --lost-in-the-woods-oklch: oklch(0.365 0.081 161.1);
}

.element {
  color: var(--lost-in-the-woods);
  background-color: hsl(158 100% 15%);
  border-color: oklch(0.365 0.081 161.1);
}

Tailwind CSS v4

@theme {
  --color-lost-in-the-woods: #004b30;
  --color-lost-in-the-woods-50: #e1fdef;
  --color-lost-in-the-woods-100: #d1f1e0;
  --color-lost-in-the-woods-200: #b6e0ca;
  --color-lost-in-the-woods-300: #92c5ac;
  --color-lost-in-the-woods-400: #72ae8f;
  --color-lost-in-the-woods-500: #509775;
  --color-lost-in-the-woods-600: #458063;
  --color-lost-in-the-woods-700: #37664f;
  --color-lost-in-the-woods-800: #284b38;
  --color-lost-in-the-woods-900: #1b3426;
  --color-lost-in-the-woods-950: #0b1f15;
}

SCSS

$lost-in-the-woods: #004b30;
$lost-in-the-woods-rgb: 0, 75, 48;
$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);
}