#697C3C

CSS

:root {
  --beyond-the-pines: #697c3c;
  --beyond-the-pines-rgb: 105 124 60;
  --beyond-the-pines-oklch: oklch(0.556 0.092 123);
}

.element {
  color: var(--beyond-the-pines);
  background-color: hsl(78 35% 36%);
  border-color: oklch(0.556 0.092 123);
}

Tailwind CSS v4

@theme {
  --color-beyond-the-pines: #697c3c;
  --color-beyond-the-pines-50: #effade;
  --color-beyond-the-pines-100: #e1eecd;
  --color-beyond-the-pines-200: #cbdcb1;
  --color-beyond-the-pines-300: #acc08c;
  --color-beyond-the-pines-400: #94a86a;
  --color-beyond-the-pines-500: #7b9048;
  --color-beyond-the-pines-600: #687a3e;
  --color-beyond-the-pines-700: #536231;
  --color-beyond-the-pines-800: #3e4721;
  --color-beyond-the-pines-900: #2a3116;
  --color-beyond-the-pines-950: #181d07;
}

SCSS

$beyond-the-pines: #697c3c;
$beyond-the-pines-rgb: 105, 124, 60;
$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);
}