#8D6342

CSS

:root {
  --wild-horses: #8d6342;
  --wild-horses-rgb: 141 99 66;
  --wild-horses-oklch: oklch(0.536 0.072 58.6);
}

.element {
  color: var(--wild-horses);
  background-color: hsl(26 36% 41%);
  border-color: oklch(0.536 0.072 58.6);
}

Tailwind CSS v4

@theme {
  --color-wild-horses: #8d6342;
  --color-wild-horses-50: #fff1e1;
  --color-wild-horses-100: #fbe3d0;
  --color-wild-horses-200: #ecceb6;
  --color-wild-horses-300: #d3af93;
  --color-wild-horses-400: #bf9474;
  --color-wild-horses-500: #aa7a55;
  --color-wild-horses-600: #906848;
  --color-wild-horses-700: #73533a;
  --color-wild-horses-800: #563c29;
  --color-wild-horses-900: #3c291c;
  --color-wild-horses-950: #25170c;
}

SCSS

$wild-horses: #8d6342;
$wild-horses-rgb: 141, 99, 66;
$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);
}