#54481B

CSS

:root {
  --avocado-stone: #54481b;
  --avocado-stone-rgb: 84 72 27;
  --avocado-stone-oklch: oklch(0.404 0.065 94.4);
}

.element {
  color: var(--avocado-stone);
  background-color: hsl(47 51% 22%);
  border-color: oklch(0.404 0.065 94.4);
}

Tailwind CSS v4

@theme {
  --color-avocado-stone: #54481b;
  --color-avocado-stone-50: #faf6e1;
  --color-avocado-stone-100: #eee8d0;
  --color-avocado-stone-200: #dcd5b6;
  --color-avocado-stone-300: #c1b892;
  --color-avocado-stone-400: #ab9e73;
  --color-avocado-stone-500: #948653;
  --color-avocado-stone-600: #7d7147;
  --color-avocado-stone-700: #645b38;
  --color-avocado-stone-800: #4a4228;
  --color-avocado-stone-900: #332d1b;
  --color-avocado-stone-950: #1f1a0b;
}

SCSS

$avocado-stone: #54481b;
$avocado-stone-rgb: 84, 72, 27;
$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);
}