#B79195

CSS

:root {
  --rosy-brown: #b79195;
  --rosy-brown-rgb: 183 145 149;
  --rosy-brown-oklch: oklch(0.693 0.046 11.2);
}

.element {
  color: var(--rosy-brown);
  background-color: hsl(354 21% 64%);
  border-color: oklch(0.693 0.046 11.2);
}

Tailwind CSS v4

@theme {
  --color-rosy-brown: #b79195;
  --color-rosy-brown-50: #fff0f1;
  --color-rosy-brown-100: #f7e2e3;
  --color-rosy-brown-200: #e7cdce;
  --color-rosy-brown-300: #ceaeb0;
  --color-rosy-brown-400: #b89497;
  --color-rosy-brown-500: #a27a7e;
  --color-rosy-brown-600: #89676b;
  --color-rosy-brown-700: #6e5255;
  --color-rosy-brown-800: #513c3f;
  --color-rosy-brown-900: #38292b;
  --color-rosy-brown-950: #231719;
}

SCSS

$rosy-brown: #b79195;
$rosy-brown-rgb: 183, 145, 149;
$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);
}