#AB6222

CSS

:root {
  --light-brown: #ab6222;
  --light-brown-rgb: 171 98 34;
  --light-brown-oklch: oklch(0.569 0.121 57.2);
}

.element {
  color: var(--light-brown);
  background-color: hsl(28 67% 40%);
  border-color: oklch(0.569 0.121 57.2);
}

Tailwind CSS v4

@theme {
  --color-light-brown: #ab6222;
  --color-light-brown-50: #ffeed3;
  --color-light-brown-100: #ffdfc0;
  --color-light-brown-200: #fcc8a1;
  --color-light-brown-300: #e6a878;
  --color-light-brown-400: #d48b53;
  --color-light-brown-500: #c16f26;
  --color-light-brown-600: #a35e23;
  --color-light-brown-700: #834b1b;
  --color-light-brown-800: #623613;
  --color-light-brown-900: #44250c;
  --color-light-brown-950: #2c1301;
}

SCSS

$light-brown: #ab6222;
$light-brown-rgb: 171, 98, 34;
$light-brown-light: mix(#fff, $light-brown, 20%);
$light-brown-dark: mix(#000, $light-brown, 20%);

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