#2B7B43

CSS

:root {
  --bold-irish: #2b7b43;
  --bold-irish-rgb: 43 123 67;
  --bold-irish-oklch: oklch(0.52 0.117 150.1);
}

.element {
  color: var(--bold-irish);
  background-color: hsl(138 48% 33%);
  border-color: oklch(0.52 0.117 150.1);
}

Tailwind CSS v4

@theme {
  --color-bold-irish: #2b7b43;
  --color-bold-irish-50: #ddffe5;
  --color-bold-irish-100: #ccf4d5;
  --color-bold-irish-200: #afe3bc;
  --color-bold-irish-300: #89c99a;
  --color-bold-irish-400: #68b279;
  --color-bold-irish-500: #439b5b;
  --color-bold-irish-600: #3a834e;
  --color-bold-irish-700: #2e693e;
  --color-bold-irish-800: #224d2a;
  --color-bold-irish-900: #17361c;
  --color-bold-irish-950: #07210d;
}

SCSS

$bold-irish: #2b7b43;
$bold-irish-rgb: 43, 123, 67;
$bold-irish-light: mix(#fff, $bold-irish, 20%);
$bold-irish-dark: mix(#000, $bold-irish, 20%);

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