#6A7D46

CSS

:root {
  --beyond-the-pines: #6a7d46;
  --beyond-the-pines-rgb: 106 125 70;
  --beyond-the-pines-oklch: oklch(0.561 0.082 124.6);
}

.element {
  color: var(--beyond-the-pines);
  background-color: hsl(81 28% 38%);
  border-color: oklch(0.561 0.082 124.6);
}

Tailwind CSS v4

@theme {
  --color-beyond-the-pines: #6a7d46;
  --color-beyond-the-pines-50: #effae1;
  --color-beyond-the-pines-100: #e1edd0;
  --color-beyond-the-pines-200: #cbdbb6;
  --color-beyond-the-pines-300: #acc092;
  --color-beyond-the-pines-400: #94a771;
  --color-beyond-the-pines-500: #7a9052;
  --color-beyond-the-pines-600: #677a46;
  --color-beyond-the-pines-700: #536137;
  --color-beyond-the-pines-800: #3d4726;
  --color-beyond-the-pines-900: #2a311a;
  --color-beyond-the-pines-950: #181d0a;
}

SCSS

$beyond-the-pines: #6a7d46;
$beyond-the-pines-rgb: 106, 125, 70;
$beyond-the-pines-light: mix(#fff, $beyond-the-pines, 20%);
$beyond-the-pines-dark: mix(#000, $beyond-the-pines, 20%);

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