#B25E13

CSS

:root {
  --light-brown: #b25e13;
  --light-brown-rgb: 178 94 19;
  --light-brown-oklch: oklch(0.57 0.134 54.9);
}

.element {
  color: var(--light-brown);
  background-color: hsl(28 81% 39%);
  border-color: oklch(0.57 0.134 54.9);
}

Tailwind CSS v4

@theme {
  --color-light-brown: #b25e13;
  --color-light-brown-50: #ffecd0;
  --color-light-brown-100: #ffddbd;
  --color-light-brown-200: #ffc69c;
  --color-light-brown-300: #eca571;
  --color-light-brown-400: #db874a;
  --color-light-brown-500: #c86913;
  --color-light-brown-600: #a95a15;
  --color-light-brown-700: #884811;
  --color-light-brown-800: #65330c;
  --color-light-brown-900: #472308;
  --color-light-brown-950: #2e1100;
}

SCSS

$light-brown: #b25e13;
$light-brown-rgb: 178, 94, 19;
$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);
}