I know I can set a boolean to true to add varying colors, which seems to be the only way to add different colors per slice.
As far as I can see, I can only do it on the series level...which will just set every slice to one color, which is not what I want. I want to set each slice a different color, but not the default ones given by apache poi.
You need to create un dataset to change the color, this is an example