#956E59

CSS

:root {
  --leather: #956e59;
  --leather-rgb: 149 110 89;
  --leather-oklch: oklch(0.572 0.059 49.4);
}

.element {
  color: var(--leather);
  background-color: hsl(21 25% 47%);
  border-color: oklch(0.572 0.059 49.4);
}

Tailwind CSS v4

@theme {
  --color-leather: #956e59;
  --color-leather-50: #fff1e6;
  --color-leather-100: #f9e3d7;
  --color-leather-200: #eacebe;
  --color-leather-300: #d1b09d;
  --color-leather-400: #bc9580;
  --color-leather-500: #a77b63;
  --color-leather-600: #8d6854;
  --color-leather-700: #715343;
  --color-leather-800: #543c31;
  --color-leather-900: #3a2921;
  --color-leather-950: #241710;
}

SCSS

$leather: #956e59;
$leather-rgb: 149, 110, 89;
$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);
}