#043E26

CSS

:root {
  --lost-in-the-woods: #043e26;
  --lost-in-the-woods-rgb: 4 62 38;
  --lost-in-the-woods-oklch: oklch(0.322 0.071 159.4);
}

.element {
  color: var(--lost-in-the-woods);
  background-color: hsl(155 88% 13%);
  border-color: oklch(0.322 0.071 159.4);
}

Tailwind CSS v4

@theme {
  --color-lost-in-the-woods: #043e26;
  --color-lost-in-the-woods-50: #e4fcef;
  --color-lost-in-the-woods-100: #d4f0e0;
  --color-lost-in-the-woods-200: #bbdecb;
  --color-lost-in-the-woods-300: #98c3ac;
  --color-lost-in-the-woods-400: #7aac90;
  --color-lost-in-the-woods-500: #5b9575;
  --color-lost-in-the-woods-600: #4d7e64;
  --color-lost-in-the-woods-700: #3e654f;
  --color-lost-in-the-woods-800: #2d4a39;
  --color-lost-in-the-woods-900: #1e3327;
  --color-lost-in-the-woods-950: #0e1f15;
}

SCSS

$lost-in-the-woods: #043e26;
$lost-in-the-woods-rgb: 4, 62, 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);
}