$neutral-900: #263238;
$neutral-800: #37474f;
$neutral-700: #455a64;
$neutral-600: #455a64;
$neutral-500: #607d8b;
$neutral-400: #78909c;
$neutral-300: #90a4ae;
$neutral-200: #b0bec5;
$neutral-100: #cfd8dc;
$neutral-50: #eceff1;