#AD5221

CSS

:root {
  --funky-monkey: #ad5221;
  --funky-monkey-rgb: 173 82 33;
  --funky-monkey-oklch: oklch(0.544 0.134 45.7);
}

.element {
  color: var(--funky-monkey);
  background-color: hsl(21 68% 40%);
  border-color: oklch(0.544 0.134 45.7);
}

Tailwind CSS v4

@theme {
  --color-funky-monkey: #ad5221;
  --color-funky-monkey-50: #ffebd5;
  --color-funky-monkey-100: #ffdbc2;
  --color-funky-monkey-200: #ffc3a3;
  --color-funky-monkey-300: #f0a27b;
  --color-funky-monkey-400: #df8358;
  --color-funky-monkey-500: #cc652e;
  --color-funky-monkey-600: #ac5629;
  --color-funky-monkey-700: #8a4421;
  --color-funky-monkey-800: #673118;
  --color-funky-monkey-900: #49210f;
  --color-funky-monkey-950: #2f1003;
}

SCSS

$funky-monkey: #ad5221;
$funky-monkey-rgb: 173, 82, 33;
$funky-monkey-light: mix(#fff, $funky-monkey, 20%);
$funky-monkey-dark: mix(#000, $funky-monkey, 20%);

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