#8F633B

CSS

:root {
  --wild-horses: #8f633b;
  --wild-horses-rgb: 143 99 59;
  --wild-horses-oklch: oklch(0.537 0.08 62.1);
}

.element {
  color: var(--wild-horses);
  background-color: hsl(29 42% 40%);
  border-color: oklch(0.537 0.08 62.1);
}

Tailwind CSS v4

@theme {
  --color-wild-horses: #8f633b;
  --color-wild-horses-50: #fff1de;
  --color-wild-horses-100: #fce3cd;
  --color-wild-horses-200: #edceb2;
  --color-wild-horses-300: #d5af8d;
  --color-wild-horses-400: #c1946d;
  --color-wild-horses-500: #ac7a4d;
  --color-wild-horses-600: #916742;
  --color-wild-horses-700: #755334;
  --color-wild-horses-800: #573c25;
  --color-wild-horses-900: #3d2919;
  --color-wild-horses-950: #26170a;
}

SCSS

$wild-horses: #8f633b;
$wild-horses-rgb: 143, 99, 59;
$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);
}