#008A0A

CSS

:root {
  --fine-pine: #008a0a;
  --fine-pine-rgb: 0 138 10;
  --fine-pine-oklch: oklch(0.549 0.184 142.9);
}

.element {
  color: var(--fine-pine);
  background-color: hsl(124 100% 27%);
  border-color: oklch(0.549 0.184 142.9);
}

Tailwind CSS v4

@theme {
  --color-fine-pine: #008a0a;
  --color-fine-pine-50: #d5ffd5;
  --color-fine-pine-100: #c2f9c2;
  --color-fine-pine-200: #a2e9a3;
  --color-fine-pine-300: #76d07a;
  --color-fine-pine-400: #51b94e;
  --color-fine-pine-500: #11a218;
  --color-fine-pine-600: #168919;
  --color-fine-pine-700: #136e14;
  --color-fine-pine-800: #125106;
  --color-fine-pine-900: #0c3804;
  --color-fine-pine-950: #002300;
}

SCSS

$fine-pine: #008a0a;
$fine-pine-rgb: 0, 138, 10;
$fine-pine-light: mix(#fff, $fine-pine, 20%);
$fine-pine-dark: mix(#000, $fine-pine, 20%);

.element {
  color: $fine-pine;
  box-shadow: 0 0 0 2px rgba($fine-pine, 0.35);
}