#607D42

CSS

:root {
  --beyond-the-pines: #607d42;
  --beyond-the-pines-rgb: 96 125 66;
  --beyond-the-pines-oklch: oklch(0.552 0.091 130.3);
}

.element {
  color: var(--beyond-the-pines);
  background-color: hsl(89 31% 37%);
  border-color: oklch(0.552 0.091 130.3);
}

Tailwind CSS v4

@theme {
  --color-beyond-the-pines: #607d42;
  --color-beyond-the-pines-50: #ebfbe1;
  --color-beyond-the-pines-100: #ddefd0;
  --color-beyond-the-pines-200: #c6ddb5;
  --color-beyond-the-pines-300: #a6c292;
  --color-beyond-the-pines-400: #8caa70;
  --color-beyond-the-pines-500: #729250;
  --color-beyond-the-pines-600: #607c44;
  --color-beyond-the-pines-700: #4d6336;
  --color-beyond-the-pines-800: #394825;
  --color-beyond-the-pines-900: #273219;
  --color-beyond-the-pines-950: #151e09;
}

SCSS

$beyond-the-pines: #607d42;
$beyond-the-pines-rgb: 96, 125, 66;
$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);
}