#006E48

CSS

:root {
  --into-the-green: #006e48;
  --into-the-green-rgb: 0 110 72;
  --into-the-green-oklch: oklch(0.475 0.106 160.8);
}

.element {
  color: var(--into-the-green);
  background-color: hsl(159 100% 22%);
  border-color: oklch(0.475 0.106 160.8);
}

Tailwind CSS v4

@theme {
  --color-into-the-green: #006e48;
  --color-into-the-green-50: #dbffec;
  --color-into-the-green-100: #c9f4de;
  --color-into-the-green-200: #abe3c7;
  --color-into-the-green-300: #84c9a8;
  --color-into-the-green-400: #60b28a;
  --color-into-the-green-500: #359b6f;
  --color-into-the-green-600: #2f835e;
  --color-into-the-green-700: #26694b;
  --color-into-the-green-800: #1b4d35;
  --color-into-the-green-900: #123624;
  --color-into-the-green-950: #042113;
}

SCSS

$into-the-green: #006e48;
$into-the-green-rgb: 0, 110, 72;
$into-the-green-light: mix(#fff, $into-the-green, 20%);
$into-the-green-dark: mix(#000, $into-the-green, 20%);

.element {
  color: $into-the-green;
  box-shadow: 0 0 0 2px rgba($into-the-green, 0.35);
}