#B69197

CSS

:root {
  --rosy-brown: #b69197;
  --rosy-brown-rgb: 182 145 151;
  --rosy-brown-oklch: oklch(0.693 0.045 7.4);
}

.element {
  color: var(--rosy-brown);
  background-color: hsl(350 20% 64%);
  border-color: oklch(0.693 0.045 7.4);
}

Tailwind CSS v4

@theme {
  --color-rosy-brown: #b69197;
  --color-rosy-brown-50: #fff0f2;
  --color-rosy-brown-100: #f6e2e4;
  --color-rosy-brown-200: #e7cdd0;
  --color-rosy-brown-300: #cdaeb2;
  --color-rosy-brown-400: #b79499;
  --color-rosy-brown-500: #a17a81;
  --color-rosy-brown-600: #88676d;
  --color-rosy-brown-700: #6d5357;
  --color-rosy-brown-800: #503c40;
  --color-rosy-brown-900: #38292c;
  --color-rosy-brown-950: #231719;
}

SCSS

$rosy-brown: #b69197;
$rosy-brown-rgb: 182, 145, 151;
$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);
}