#656244

CSS

:root {
  --eat-your-greens: #656244;
  --eat-your-greens-rgb: 101 98 68;
  --eat-your-greens-oklch: oklch(0.491 0.045 103.1);
}

.element {
  color: var(--eat-your-greens);
  background-color: hsl(55 20% 33%);
  border-color: oklch(0.491 0.045 103.1);
}

Tailwind CSS v4

@theme {
  --color-eat-your-greens: #656244;
  --color-eat-your-greens-50: #f7f6e8;
  --color-eat-your-greens-100: #eae9d8;
  --color-eat-your-greens-200: #d7d6c0;
  --color-eat-your-greens-300: #bab99f;
  --color-eat-your-greens-400: #a3a082;
  --color-eat-your-greens-500: #8b8865;
  --color-eat-your-greens-600: #767356;
  --color-eat-your-greens-700: #5e5c44;
  --color-eat-your-greens-800: #464331;
  --color-eat-your-greens-900: #302e21;
  --color-eat-your-greens-950: #1c1b11;
}

SCSS

$eat-your-greens: #656244;
$eat-your-greens-rgb: 101, 98, 68;
$eat-your-greens-light: mix(#fff, $eat-your-greens, 20%);
$eat-your-greens-dark: mix(#000, $eat-your-greens, 20%);

.element {
  color: $eat-your-greens;
  box-shadow: 0 0 0 2px rgba($eat-your-greens, 0.35);
}