#705746

CSS

:root {
  --hold-your-horses: #705746;
  --hold-your-horses-rgb: 112 87 70;
  --hold-your-horses-oklch: oklch(0.478 0.042 55.7);
}

.element {
  color: var(--hold-your-horses);
  background-color: hsl(24 23% 36%);
  border-color: oklch(0.478 0.042 55.7);
}

Tailwind CSS v4

@theme {
  --color-hold-your-horses: #705746;
  --color-hold-your-horses-50: #fff2ea;
  --color-hold-your-horses-100: #f3e5da;
  --color-hold-your-horses-200: #e3d0c3;
  --color-hold-your-horses-300: #c9b3a3;
  --color-hold-your-horses-400: #b39887;
  --color-hold-your-horses-500: #9d7f6b;
  --color-hold-your-horses-600: #846c5b;
  --color-hold-your-horses-700: #6a5649;
  --color-hold-your-horses-800: #4e3f35;
  --color-hold-your-horses-900: #372b24;
  --color-hold-your-horses-950: #211813;
}

SCSS

$hold-your-horses: #705746;
$hold-your-horses-rgb: 112, 87, 70;
$hold-your-horses-light: mix(#fff, $hold-your-horses, 20%);
$hold-your-horses-dark: mix(#000, $hold-your-horses, 20%);

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