Paragraph's output color unexpectedly changes to green or white in certain situations

If we define too many scala functions in a single paragraph, the output is truncated:

Notice, that the output color is green. 

Now, let's run another paragraph:

As you can see, now the output for some reason is also green. This is most likely due to a "green tag" that was never closed in the previous paragraph's output.

The same can happen with white color:

This is not a blocker, as we can overcome this issue by nesting our functions in an object or a trait, so the output is shorter for the paragraph.  But it's still a bug that can lead to hours of trying to understand why your output is white (basically invisible).