#6A7D51

CSS

:root {
  --beyond-the-pines: #6a7d51;
  --beyond-the-pines-rgb: 106 125 81;
  --beyond-the-pines-oklch: oklch(0.563 0.068 127.4);
}

.element {
  color: var(--beyond-the-pines);
  background-color: hsl(86 21% 40%);
  border-color: oklch(0.563 0.068 127.4);
}

Tailwind CSS v4

@theme {
  --color-beyond-the-pines: #6a7d51;
  --color-beyond-the-pines-50: #eff9e5;
  --color-beyond-the-pines-100: #e1edd5;
  --color-beyond-the-pines-200: #cbdbbc;
  --color-beyond-the-pines-300: #acbf9a;
  --color-beyond-the-pines-400: #93a67b;
  --color-beyond-the-pines-500: #7a8f5d;
  --color-beyond-the-pines-600: #67794f;
  --color-beyond-the-pines-700: #52613f;
  --color-beyond-the-pines-800: #3d472c;
  --color-beyond-the-pines-900: #2a311e;
  --color-beyond-the-pines-950: #171d0e;
}

SCSS

$beyond-the-pines: #6a7d51;
$beyond-the-pines-rgb: 106, 125, 81;
$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);
}