#B79193

CSS

:root {
  --rosy-brown: #b79193;
  --rosy-brown-rgb: 183 145 147;
  --rosy-brown-oklch: oklch(0.693 0.046 14.8);
}

.element {
  color: var(--rosy-brown);
  background-color: hsl(357 21% 64%);
  border-color: oklch(0.693 0.046 14.8);
}

Tailwind CSS v4

@theme {
  --color-rosy-brown: #b79193;
  --color-rosy-brown-50: #fff0f0;
  --color-rosy-brown-100: #f7e2e2;
  --color-rosy-brown-200: #e7cdcd;
  --color-rosy-brown-300: #ceaeaf;
  --color-rosy-brown-400: #b89496;
  --color-rosy-brown-500: #a27a7c;
  --color-rosy-brown-600: #896769;
  --color-rosy-brown-700: #6e5354;
  --color-rosy-brown-800: #513c3e;
  --color-rosy-brown-900: #39292a;
  --color-rosy-brown-950: #231718;
}

SCSS

$rosy-brown: #b79193;
$rosy-brown-rgb: 183, 145, 147;
$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);
}