#966D58

CSS

:root {
  --leather: #966d58;
  --leather-rgb: 150 109 88;
  --leather-oklch: oklch(0.571 0.061 48.2);
}

.element {
  color: var(--leather);
  background-color: hsl(20 26% 47%);
  border-color: oklch(0.571 0.061 48.2);
}

Tailwind CSS v4

@theme {
  --color-leather: #966d58;
  --color-leather-50: #fff1e6;
  --color-leather-100: #fae3d6;
  --color-leather-200: #ebcdbd;
  --color-leather-300: #d2af9c;
  --color-leather-400: #bd947f;
  --color-leather-500: #a87a63;
  --color-leather-600: #8e6854;
  --color-leather-700: #725343;
  --color-leather-800: #543c30;
  --color-leather-900: #3b2921;
  --color-leather-950: #251710;
}

SCSS

$leather: #966d58;
$leather-rgb: 150, 109, 88;
$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);
}