$red-50: #FFEBEE;
$red-100: #FFCDD2;
$red-200: #EF9A9A;
$red-300: #E57373;
$red-400: #EF5350;
$red-500: #F44336; // main
$red-600: #E53935;
$red-700: #D32F2F;
$red-800: #C62828;
$red-900: #B71C1C;

$red-A100: #FF8A80;
$red-A200: #FF5252;
$red-A400: #FF1744;
$red-A700: #D50000;

$red-map: (
    red-50: $red-50,
    red-100: $red-100,
    red-200: $red-200,
    red-300: $red-300,
    red-400: $red-400,
    red-500: $red-500,
    red-600: $red-600,
    red-700: $red-700,
    red-800: $red-800,
    red-900: $red-900,
    red-A100: $red-A100,
    red-A200: $red-A200,
    red-A400: $red-A400,
    red-A700: $red-A700
);

$colors-map: map-merge($colors-map, $red-map);