#667C42

CSS

:root {
  --beyond-the-pines: #667c42;
  --beyond-the-pines-rgb: 102 124 66;
  --beyond-the-pines-oklch: oklch(0.554 0.087 126.1);
}

.element {
  color: var(--beyond-the-pines);
  background-color: hsl(83 31% 37%);
  border-color: oklch(0.554 0.087 126.1);
}

Tailwind CSS v4

@theme {
  --color-beyond-the-pines: #667c42;
  --color-beyond-the-pines-50: #eefae0;
  --color-beyond-the-pines-100: #dfeecf;
  --color-beyond-the-pines-200: #c9dcb5;
  --color-beyond-the-pines-300: #aac091;
  --color-beyond-the-pines-400: #91a86f;
  --color-beyond-the-pines-500: #78914f;
  --color-beyond-the-pines-600: #657a44;
  --color-beyond-the-pines-700: #516236;
  --color-beyond-the-pines-800: #3c4725;
  --color-beyond-the-pines-900: #293219;
  --color-beyond-the-pines-950: #171d09;
}

SCSS

$beyond-the-pines: #667c42;
$beyond-the-pines-rgb: 102, 124, 66;
$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);
}