#916D55

CSS

:root {
  --leather: #916d55;
  --leather-rgb: 145 109 85;
  --leather-oklch: oklch(0.565 0.058 54.9);
}

.element {
  color: var(--leather);
  background-color: hsl(24 26% 45%);
  border-color: oklch(0.565 0.058 54.9);
}

Tailwind CSS v4

@theme {
  --color-leather: #916d55;
  --color-leather-50: #fff1e6;
  --color-leather-100: #f8e4d6;
  --color-leather-200: #e8cfbd;
  --color-leather-300: #cfb19b;
  --color-leather-400: #ba967e;
  --color-leather-500: #a57c61;
  --color-leather-600: #8b6953;
  --color-leather-700: #705442;
  --color-leather-800: #533d30;
  --color-leather-900: #3a2a20;
  --color-leather-950: #241710;
}

SCSS

$leather: #916d55;
$leather-rgb: 145, 109, 85;
$leather-light: mix(#fff, $leather, 20%);
$leather-dark: mix(#000, $leather, 20%);

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