#687D49

CSS

:root {
  --beyond-the-pines: #687d49;
  --beyond-the-pines-rgb: 104 125 73;
  --beyond-the-pines-oklch: oklch(0.56 0.079 126.7);
}

.element {
  color: var(--beyond-the-pines);
  background-color: hsl(84 26% 39%);
  border-color: oklch(0.56 0.079 126.7);
}

Tailwind CSS v4

@theme {
  --color-beyond-the-pines: #687d49;
  --color-beyond-the-pines-50: #eefae2;
  --color-beyond-the-pines-100: #e0eed2;
  --color-beyond-the-pines-200: #cadbb8;
  --color-beyond-the-pines-300: #abc095;
  --color-beyond-the-pines-400: #92a774;
  --color-beyond-the-pines-500: #789055;
  --color-beyond-the-pines-600: #667a49;
  --color-beyond-the-pines-700: #51613a;
  --color-beyond-the-pines-800: #3c4728;
  --color-beyond-the-pines-900: #29311b;
  --color-beyond-the-pines-950: #171d0b;
}

SCSS

$beyond-the-pines: #687d49;
$beyond-the-pines-rgb: 104, 125, 73;
$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);
}