#B25E12

CSS

:root {
  --light-brown: #b25e12;
  --light-brown-rgb: 178 94 18;
  --light-brown-oklch: oklch(0.57 0.135 55.1);
}

.element {
  color: var(--light-brown);
  background-color: hsl(29 82% 38%);
  border-color: oklch(0.57 0.135 55.1);
}

Tailwind CSS v4

@theme {
  --color-light-brown: #b25e12;
  --color-light-brown-50: #ffecd0;
  --color-light-brown-100: #ffddbd;
  --color-light-brown-200: #ffc69c;
  --color-light-brown-300: #eca671;
  --color-light-brown-400: #db874a;
  --color-light-brown-500: #c86912;
  --color-light-brown-600: #a95a14;
  --color-light-brown-700: #884811;
  --color-light-brown-800: #65330c;
  --color-light-brown-900: #472307;
  --color-light-brown-950: #2e1100;
}

SCSS

$light-brown: #b25e12;
$light-brown-rgb: 178, 94, 18;
$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);
}