#6B7D4A

CSS

:root {
  --beyond-the-pines: #6b7d4a;
  --beyond-the-pines-rgb: 107 125 74;
  --beyond-the-pines-oklch: oklch(0.562 0.076 124.7);
}

.element {
  color: var(--beyond-the-pines);
  background-color: hsl(81 26% 39%);
  border-color: oklch(0.562 0.076 124.7);
}

Tailwind CSS v4

@theme {
  --color-beyond-the-pines: #6b7d4a;
  --color-beyond-the-pines-50: #effae2;
  --color-beyond-the-pines-100: #e1edd2;
  --color-beyond-the-pines-200: #ccdbb8;
  --color-beyond-the-pines-300: #adbf95;
  --color-beyond-the-pines-400: #94a775;
  --color-beyond-the-pines-500: #7b8f56;
  --color-beyond-the-pines-600: #687949;
  --color-beyond-the-pines-700: #53613a;
  --color-beyond-the-pines-800: #3d4728;
  --color-beyond-the-pines-900: #2a311b;
  --color-beyond-the-pines-950: #181d0b;
}

SCSS

$beyond-the-pines: #6b7d4a;
$beyond-the-pines-rgb: 107, 125, 74;
$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);
}