$blue-grey-50: #ECEFF1;
$blue-grey-100: #CFD8DC;
$blue-grey-200: #B0BEC5;
$blue-grey-300: #90A4AE;
$blue-grey-400: #78909C;
$blue-grey-500: #607D8B;
$blue-grey-600: #546E7A;
$blue-grey-700: #455A64;
$blue-grey-800: #37474F;
$blue-grey-900: #263238;

$blue-grey-map: (
    blue-grey-50: $blue-grey-50,
    blue-grey-100: $blue-grey-100,
    blue-grey-200: $blue-grey-200,
    blue-grey-300: $blue-grey-300,
    blue-grey-400: $blue-grey-400,
    blue-grey-500: $blue-grey-500,
    blue-grey-600: $blue-grey-600,
    blue-grey-700: $blue-grey-700,
    blue-grey-800: $blue-grey-800,
    blue-grey-900: $blue-grey-900
);

$colors-map: map-merge($colors-map, $blue-grey-map);