#B9918D

CSS

:root {
  --rosy-brown: #b9918d;
  --rosy-brown-rgb: 185 145 141;
  --rosy-brown-oklch: oklch(0.693 0.049 25);
}

.element {
  color: var(--rosy-brown);
  background-color: hsl(5 24% 64%);
  border-color: oklch(0.693 0.049 25);
}

Tailwind CSS v4

@theme {
  --color-rosy-brown: #b9918d;
  --color-rosy-brown-50: #fff0ee;
  --color-rosy-brown-100: #f8e2df;
  --color-rosy-brown-200: #e9cdc9;
  --color-rosy-brown-300: #d0aeaa;
  --color-rosy-brown-400: #ba9490;
  --color-rosy-brown-500: #a47a76;
  --color-rosy-brown-600: #8b6764;
  --color-rosy-brown-700: #6f5350;
  --color-rosy-brown-800: #523c3a;
  --color-rosy-brown-900: #392928;
  --color-rosy-brown-950: #241716;
}

SCSS

$rosy-brown: #b9918d;
$rosy-brown-rgb: 185, 145, 141;
$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);
}