Bug report
When hovering the legend of a specific serie the datalabel of other series when they have backgrounds are not getting the transparency.
In this case I am hovering the green legend and the other datalabels are as opaque as the one being hovered.

Explanation
- What is the behavior you expect?
Other datalabels should be as transparent as the lines or columns
- What is happening instead?
The datalabels are opaque
- What error message are you getting?
none