#8B643F

CSS

:root {
  --wild-horses: #8b643f;
  --wild-horses-rgb: 139 100 63;
  --wild-horses-oklch: oklch(0.535 0.073 63.7);
}

.element {
  color: var(--wild-horses);
  background-color: hsl(29 38% 40%);
  border-color: oklch(0.535 0.073 63.7);
}

Tailwind CSS v4

@theme {
  --color-wild-horses: #8b643f;
  --color-wild-horses-50: #fff2e0;
  --color-wild-horses-100: #f9e4cf;
  --color-wild-horses-200: #eacfb4;
  --color-wild-horses-300: #d2b191;
  --color-wild-horses-400: #bd9671;
  --color-wild-horses-500: #a87c52;
  --color-wild-horses-600: #8e6946;
  --color-wild-horses-700: #725438;
  --color-wild-horses-800: #553d28;
  --color-wild-horses-900: #3b2a1b;
  --color-wild-horses-950: #25170b;
}

SCSS

$wild-horses: #8b643f;
$wild-horses-rgb: 139, 100, 63;
$wild-horses-light: mix(#fff, $wild-horses, 20%);
$wild-horses-dark: mix(#000, $wild-horses, 20%);

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