#544418

CSS

:root {
  --avocado-stone: #544418;
  --avocado-stone-rgb: 84 68 24;
  --avocado-stone-oklch: oklch(0.394 0.065 89);
}

.element {
  color: var(--avocado-stone);
  background-color: hsl(44 56% 21%);
  border-color: oklch(0.394 0.065 89);
}

Tailwind CSS v4

@theme {
  --color-avocado-stone: #544418;
  --color-avocado-stone-50: #fcf5e1;
  --color-avocado-stone-100: #f0e8d0;
  --color-avocado-stone-200: #ded4b6;
  --color-avocado-stone-300: #c4b792;
  --color-avocado-stone-400: #ae9d72;
  --color-avocado-stone-500: #978453;
  --color-avocado-stone-600: #807047;
  --color-avocado-stone-700: #675a38;
  --color-avocado-stone-800: #4c4128;
  --color-avocado-stone-900: #352d1b;
  --color-avocado-stone-950: #201a0b;
}

SCSS

$avocado-stone: #544418;
$avocado-stone-rgb: 84, 68, 24;
$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);
}