#6A7E39

CSS

:root {
  --beyond-the-pines: #6a7e39;
  --beyond-the-pines-rgb: 106 126 57;
  --beyond-the-pines-oklch: oklch(0.561 0.098 123);
}

.element {
  color: var(--beyond-the-pines);
  background-color: hsl(77 38% 36%);
  border-color: oklch(0.561 0.098 123);
}

Tailwind CSS v4

@theme {
  --color-beyond-the-pines: #6a7e39;
  --color-beyond-the-pines-50: #effbdc;
  --color-beyond-the-pines-100: #e0eecb;
  --color-beyond-the-pines-200: #cbdcaf;
  --color-beyond-the-pines-300: #acc18a;
  --color-beyond-the-pines-400: #93a866;
  --color-beyond-the-pines-500: #7a9143;
  --color-beyond-the-pines-600: #677a3a;
  --color-beyond-the-pines-700: #53622e;
  --color-beyond-the-pines-800: #3d471e;
  --color-beyond-the-pines-900: #2a3214;
  --color-beyond-the-pines-950: #181d06;
}

SCSS

$beyond-the-pines: #6a7e39;
$beyond-the-pines-rgb: 106, 126, 57;
$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);
}