#093824

CSS

:root {
  --pitch-black-forests: #093824;
  --pitch-black-forests-rgb: 9 56 36;
  --pitch-black-forests-oklch: oklch(0.304 0.061 160.3);
}

.element {
  color: var(--pitch-black-forests);
  background-color: hsl(154 72% 13%);
  border-color: oklch(0.304 0.061 160.3);
}

Tailwind CSS v4

@theme {
  --color-pitch-black-forests: #093824;
  --color-pitch-black-forests-50: #e6fbf0;
  --color-pitch-black-forests-100: #d7efe2;
  --color-pitch-black-forests-200: #beddcc;
  --color-pitch-black-forests-300: #9cc2ae;
  --color-pitch-black-forests-400: #7faa92;
  --color-pitch-black-forests-500: #619378;
  --color-pitch-black-forests-600: #537c66;
  --color-pitch-black-forests-700: #426451;
  --color-pitch-black-forests-800: #30493a;
  --color-pitch-black-forests-900: #203328;
  --color-pitch-black-forests-950: #101e16;
}

SCSS

$pitch-black-forests: #093824;
$pitch-black-forests-rgb: 9, 56, 36;
$pitch-black-forests-light: mix(#fff, $pitch-black-forests, 20%);
$pitch-black-forests-dark: mix(#000, $pitch-black-forests, 20%);

.element {
  color: $pitch-black-forests;
  box-shadow: 0 0 0 2px rgba($pitch-black-forests, 0.35);
}