#B79292

CSS

:root {
  --rosy-brown: #b79292;
  --rosy-brown-rgb: 183 146 146;
  --rosy-brown-oklch: oklch(0.694 0.045 18.3);
}

.element {
  color: var(--rosy-brown);
  background-color: hsl(0 20% 65%);
  border-color: oklch(0.694 0.045 18.3);
}

Tailwind CSS v4

@theme {
  --color-rosy-brown: #b79292;
  --color-rosy-brown-50: #fff0f0;
  --color-rosy-brown-100: #f7e2e2;
  --color-rosy-brown-200: #e7cdcc;
  --color-rosy-brown-300: #ceafae;
  --color-rosy-brown-400: #b89494;
  --color-rosy-brown-500: #a27b7b;
  --color-rosy-brown-600: #896868;
  --color-rosy-brown-700: #6e5353;
  --color-rosy-brown-800: #513c3d;
  --color-rosy-brown-900: #38292a;
  --color-rosy-brown-950: #231717;
}

SCSS

$rosy-brown: #b79292;
$rosy-brown-rgb: 183, 146, 146;
$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);
}