#996A71

CSS

:root {
  --cinnapink: #996a71;
  --cinnapink-rgb: 153 106 113;
  --cinnapink-oklch: oklch(0.575 0.061 9.3);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(351 19% 51%);
  border-color: oklch(0.575 0.061 9.3);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #996a71;
  --color-cinnapink-50: #ffeef1;
  --color-cinnapink-100: #fce0e3;
  --color-cinnapink-200: #edcace;
  --color-cinnapink-300: #d5abaf;
  --color-cinnapink-400: #bf9097;
  --color-cinnapink-500: #aa757d;
  --color-cinnapink-600: #90646a;
  --color-cinnapink-700: #735055;
  --color-cinnapink-800: #553a3f;
  --color-cinnapink-900: #3b272b;
  --color-cinnapink-950: #251618;
}

SCSS

$cinnapink: #996a71;
$cinnapink-rgb: 153, 106, 113;
$cinnapink-light: mix(#fff, $cinnapink, 20%);
$cinnapink-dark: mix(#000, $cinnapink, 20%);

.element {
  color: $cinnapink;
  box-shadow: 0 0 0 2px rgba($cinnapink, 0.35);
}