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January 6, 2023

How to Create a Two Color Area Chart in Tableau

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In this week's Watch Me Viz, I showed the problem this tip helps solve. An area chart in Tableau only allows a single color. Like this…


What we want is an area chart like this with two colors. 


In 9 simple steps, I’ll show you how to build it. Follow along with the video. The 9 steps are listed at the bottom of this post.


STEPS

1. Create the area chart

2. Show what happens when you add a profit to color - you only get one color

3. Duplicate the measure

4. Fix the axes

    1. Top axis starts at 0

    2. Bottom axis ends at 0

5. Choose a color for each area chart

6. Format the axes to get rid of 0

7. Add reference lines to scale the charts relative to each other

    1. WINDOW_MAX(ABS(SUM([Profit])))

8. Duplicate for the negative reference line

9. Formatting


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