#906147

CSS

:root {
  --weathered-leather: #906147;
  --weathered-leather-rgb: 144 97 71;
  --weathered-leather-oklch: oklch(0.537 0.072 49.6);
}

.element {
  color: var(--weathered-leather);
  background-color: hsl(21 34% 42%);
  border-color: oklch(0.537 0.072 49.6);
}

Tailwind CSS v4

@theme {
  --color-weathered-leather: #906147;
  --color-weathered-leather-50: #fff0e3;
  --color-weathered-leather-100: #fde2d2;
  --color-weathered-leather-200: #efccb9;
  --color-weathered-leather-300: #d6ae96;
  --color-weathered-leather-400: #c29278;
  --color-weathered-leather-500: #ae785a;
  --color-weathered-leather-600: #93664d;
  --color-weathered-leather-700: #76513d;
  --color-weathered-leather-800: #573b2c;
  --color-weathered-leather-900: #3d281e;
  --color-weathered-leather-950: #26160e;
}

SCSS

$weathered-leather: #906147;
$weathered-leather-rgb: 144, 97, 71;
$weathered-leather-light: mix(#fff, $weathered-leather, 20%);
$weathered-leather-dark: mix(#000, $weathered-leather, 20%);

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