#473A1F

CSS

:root {
  --avocado-stone: #473a1f;
  --avocado-stone-rgb: 71 58 31;
  --avocado-stone-oklch: oklch(0.355 0.045 84.4);
}

.element {
  color: var(--avocado-stone);
  background-color: hsl(41 39% 20%);
  border-color: oklch(0.355 0.045 84.4);
}

Tailwind CSS v4

@theme {
  --color-avocado-stone: #473a1f;
  --color-avocado-stone-50: #fbf5e7;
  --color-avocado-stone-100: #eee7d7;
  --color-avocado-stone-200: #ddd3bf;
  --color-avocado-stone-300: #c2b69e;
  --color-avocado-stone-400: #ab9d80;
  --color-avocado-stone-500: #948464;
  --color-avocado-stone-600: #7d7055;
  --color-avocado-stone-700: #645944;
  --color-avocado-stone-800: #4a4130;
  --color-avocado-stone-900: #332d21;
  --color-avocado-stone-950: #1f1a10;
}

SCSS

$avocado-stone: #473a1f;
$avocado-stone-rgb: 71, 58, 31;
$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);
}