button tool tip color

Hi walker8888 
No, but instead of a tooltip you can format the text on hover :

The pbix with example is attached

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Hi walker8888 

No, You can't change the default tooltip color .

But you can add tooltip option like question mark when user hover on question mark that color you can change.

just go to general setting > header icon > enable tooltip option

you will get help tooltip there you can modify the color and size and background.

I hope I answered your question!