#906D54

CSS

:root {
  --leather: #906d54;
  --leather-rgb: 144 109 84;
  --leather-oklch: oklch(0.563 0.058 56.8);
}

.element {
  color: var(--leather);
  background-color: hsl(25 26% 45%);
  border-color: oklch(0.563 0.058 56.8);
}

Tailwind CSS v4

@theme {
  --color-leather: #906d54;
  --color-leather-50: #fff2e5;
  --color-leather-100: #f7e4d5;
  --color-leather-200: #e8cfbc;
  --color-leather-300: #cfb19b;
  --color-leather-400: #ba967e;
  --color-leather-500: #a47d61;
  --color-leather-600: #8b6a52;
  --color-leather-700: #6f5441;
  --color-leather-800: #523d2f;
  --color-leather-900: #392a20;
  --color-leather-950: #241810;
}

SCSS

$leather: #906d54;
$leather-rgb: 144, 109, 84;
$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);
}