#686849

CSS

:root {
  --eat-your-greens: #686849;
  --eat-your-greens-rgb: 104 104 73;
  --eat-your-greens-oklch: oklch(0.509 0.046 107.9);
}

.element {
  color: var(--eat-your-greens);
  background-color: hsl(60 18% 35%);
  border-color: oklch(0.509 0.046 107.9);
}

Tailwind CSS v4

@theme {
  --color-eat-your-greens: #686849;
  --color-eat-your-greens-50: #f6f7e8;
  --color-eat-your-greens-100: #e8ead8;
  --color-eat-your-greens-200: #d5d6c0;
  --color-eat-your-greens-300: #b8ba9f;
  --color-eat-your-greens-400: #a1a182;
  --color-eat-your-greens-500: #898965;
  --color-eat-your-greens-600: #747456;
  --color-eat-your-greens-700: #5d5d45;
  --color-eat-your-greens-800: #444431;
  --color-eat-your-greens-900: #2f2f21;
  --color-eat-your-greens-950: #1c1b11;
}

SCSS

$eat-your-greens: #686849;
$eat-your-greens-rgb: 104, 104, 73;
$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);
}