#99676B

CSS

:root {
  --cinnapink: #99676b;
  --cinnapink-rgb: 153 103 107;
  --cinnapink-oklch: oklch(0.568 0.065 14.1);
}

.element {
  color: var(--cinnapink);
  background-color: hsl(355 20% 50%);
  border-color: oklch(0.568 0.065 14.1);
}

Tailwind CSS v4

@theme {
  --color-cinnapink: #99676b;
  --color-cinnapink-50: #ffeeef;
  --color-cinnapink-100: #fde0e0;
  --color-cinnapink-200: #efcacb;
  --color-cinnapink-300: #d7abac;
  --color-cinnapink-400: #c28f93;
  --color-cinnapink-500: #ad7579;
  --color-cinnapink-600: #926367;
  --color-cinnapink-700: #754f52;
  --color-cinnapink-800: #56393c;
  --color-cinnapink-900: #3c2729;
  --color-cinnapink-950: #261517;
}

SCSS

$cinnapink: #99676b;
$cinnapink-rgb: 153, 103, 107;
$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);
}