#BF8F8C

CSS

:root {
  --rosy-brown: #bf8f8c;
  --rosy-brown-rgb: 191 143 140;
  --rosy-brown-oklch: oklch(0.695 0.059 22.8);
}

.element {
  color: var(--rosy-brown);
  background-color: hsl(4 28% 65%);
  border-color: oklch(0.695 0.059 22.8);
}

Tailwind CSS v4

@theme {
  --color-rosy-brown: #bf8f8c;
  --color-rosy-brown-50: #ffefed;
  --color-rosy-brown-100: #fbe1de;
  --color-rosy-brown-200: #edcbc8;
  --color-rosy-brown-300: #d4aca8;
  --color-rosy-brown-400: #bf918e;
  --color-rosy-brown-500: #aa7774;
  --color-rosy-brown-600: #906562;
  --color-rosy-brown-700: #73514e;
  --color-rosy-brown-800: #553a3a;
  --color-rosy-brown-900: #3b2827;
  --color-rosy-brown-950: #251616;
}

SCSS

$rosy-brown: #bf8f8c;
$rosy-brown-rgb: 191, 143, 140;
$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);
}