#544823

CSS

:root {
  --avocado-stone: #544823;
  --avocado-stone-rgb: 84 72 35;
  --avocado-stone-oklch: oklch(0.405 0.056 91.8);
}

.element {
  color: var(--avocado-stone);
  background-color: hsl(45 41% 23%);
  border-color: oklch(0.405 0.056 91.8);
}

Tailwind CSS v4

@theme {
  --color-avocado-stone: #544823;
  --color-avocado-stone-50: #faf5e3;
  --color-avocado-stone-100: #eee8d3;
  --color-avocado-stone-200: #dcd4ba;
  --color-avocado-stone-300: #c1b797;
  --color-avocado-stone-400: #aa9e79;
  --color-avocado-stone-500: #94855a;
  --color-avocado-stone-600: #7d714d;
  --color-avocado-stone-700: #645a3d;
  --color-avocado-stone-800: #4a422c;
  --color-avocado-stone-900: #332d1d;
  --color-avocado-stone-950: #1f1a0d;
}

SCSS

$avocado-stone: #544823;
$avocado-stone-rgb: 84, 72, 35;
$avocado-stone-light: mix(#fff, $avocado-stone, 20%);
$avocado-stone-dark: mix(#000, $avocado-stone, 20%);

.element {
  color: $avocado-stone;
  box-shadow: 0 0 0 2px rgba($avocado-stone, 0.35);
}