Maps in Tableau are a powerful way of getting the most from your data and getting a sense of how things are working for your business from a geographical point of view. As well as pin pointing problems, maps allow you you to identify new opportunities.
How do I Change Background Colour on a Map in Tableau?
On occasion we might want to change some aspects of the design of our maps and in this scenario we want to show you how to change the background colour of a map to make it stand out, or indeed, fit in with your brand design colours.
Building the Map in Tableau
We are going to use data from the EU Superstore and look at SUM(Sales) across the continent of Europe.
Let’s start off by clicking both Country/Region and City while holding control. Make sure both Locations are highlighted.
Then, and this is pretty neat, simply double-click on City and you will see that the map is automatically populated and set up with the cities you want to look at across the Countries.
We now need to add the Dimension we want to look at, so we simply add SUM(Sales) to the Size on the Marks Card.
You will probably want to change the Size of the Circles.
At this point it is not a bad idea to amend the Circles. Consider reducing the Opacity to reveal Circles behind larger Circles, putting a Border around the Circles and maybe even changing the colour.
It is also a good idea to add SUM(Sales) to Filter so we can do a deeper dive into the data. You might even consider doing the same with Country/Region.
Change Background Colour on a Map in Tableau
Now we can go up to the top of the Sheet and look for the Map tab. From the dropdown choose Map Layers. When the pop up opens, you will see that Base and Land Cover are selected as default.
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We now want to untick those boxes and tick the box Coastline. What this does is give your coastline more emphasis but also allows you to change the background.
With that done, now go back to the Sheet, right-click and from the pop-up select Format.
On the Format Pane you will see the little bucket icon for Format Shading. Select that and from there go to Default Pane. From the dropdown you can select the colour you want but be judicious.
Sometimes less is more…(we don’t recommend this by the way!)
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