#B59291

CSS

:root {
  --rosy-brown: #b59291;
  --rosy-brown-rgb: 181 146 145;
  --rosy-brown-oklch: oklch(0.692 0.042 20.1);
}

.element {
  color: var(--rosy-brown);
  background-color: hsl(2 20% 64%);
  border-color: oklch(0.692 0.042 20.1);
}

Tailwind CSS v4

@theme {
  --color-rosy-brown: #b59291;
  --color-rosy-brown-50: #fff1f0;
  --color-rosy-brown-100: #f6e3e1;
  --color-rosy-brown-200: #e6cecc;
  --color-rosy-brown-300: #ccafae;
  --color-rosy-brown-400: #b69594;
  --color-rosy-brown-500: #a17b7a;
  --color-rosy-brown-600: #886968;
  --color-rosy-brown-700: #6d5353;
  --color-rosy-brown-800: #503d3d;
  --color-rosy-brown-900: #382a2a;
  --color-rosy-brown-950: #221717;
}

SCSS

$rosy-brown: #b59291;
$rosy-brown-rgb: 181, 146, 145;
$rosy-brown-light: mix(#fff, $rosy-brown, 20%);
$rosy-brown-dark: mix(#000, $rosy-brown, 20%);

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