#876548

CSS

:root {
  --wild-horses: #876548;
  --wild-horses-rgb: 135 101 72;
  --wild-horses-oklch: oklch(0.534 0.061 61.4);
}

.element {
  color: var(--wild-horses);
  background-color: hsl(28 30% 41%);
  border-color: oklch(0.534 0.061 61.4);
}

Tailwind CSS v4

@theme {
  --color-wild-horses: #876548;
  --color-wild-horses-50: #fff2e4;
  --color-wild-horses-100: #f7e4d4;
  --color-wild-horses-200: #e8cfba;
  --color-wild-horses-300: #ceb198;
  --color-wild-horses-400: #b9977a;
  --color-wild-horses-500: #a47d5c;
  --color-wild-horses-600: #8b6a4e;
  --color-wild-horses-700: #6f553e;
  --color-wild-horses-800: #523d2d;
  --color-wild-horses-900: #392a1e;
  --color-wild-horses-950: #24180e;
}

SCSS

$wild-horses: #876548;
$wild-horses-rgb: 135, 101, 72;
$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);
}