This example shows how to create monocrome Google Maps. Where the map will be using only shades of grey (with or without black and/or white). It might also be called grayscale or black-and-white.
Source code viewer
// Style options. var map_styles = [ { featureType: "all", elementType: "all", stylers: [{ saturation: -100 } ] } ]; // Create styled map object. var styledMap = new google.maps.StyledMapType(map_styles, {name: "Styled Map"}); // Map options. var mapOptions = { zoom: 13, center: new google.maps.LatLng(59.428875, 24.741211), mapTypeControlOptions: { mapTypeIds: [google.maps.MapTypeId.ROADMAP, "styled"] } }; // Create map. var map = new google.maps.Map(document.getElementById("YOUR_MAP_ELEMENT_ID"), mapOptions); // Apply styles to map. map.mapTypes.set("styled", styledMap); map.setMapTypeId("styled");Programming Language: Javascript