#6D7D43

CSS

:root {
  --beyond-the-pines: #6d7d43;
  --beyond-the-pines-rgb: 109 125 67;
  --beyond-the-pines-oklch: oklch(0.562 0.084 121.8);
}

.element {
  color: var(--beyond-the-pines);
  background-color: hsl(77 30% 38%);
  border-color: oklch(0.562 0.084 121.8);
}

Tailwind CSS v4

@theme {
  --color-beyond-the-pines: #6d7d43;
  --color-beyond-the-pines-50: #f0fae0;
  --color-beyond-the-pines-100: #e2edcf;
  --color-beyond-the-pines-200: #cddbb4;
  --color-beyond-the-pines-300: #aebf90;
  --color-beyond-the-pines-400: #96a76e;
  --color-beyond-the-pines-500: #7d8f4e;
  --color-beyond-the-pines-600: #6a7942;
  --color-beyond-the-pines-700: #556135;
  --color-beyond-the-pines-800: #3f4724;
  --color-beyond-the-pines-900: #2b3118;
  --color-beyond-the-pines-950: #181d09;
}

SCSS

$beyond-the-pines: #6d7d43;
$beyond-the-pines-rgb: 109, 125, 67;
$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);
}