The polygon color is not monotone when you can customize it to whatever color that you like it would be:
1. Switch to the “Design” tab.
2. Open the “Hotspot” section.
CONFIG SELECTION
- Set the background color.
- Set the background color hover.
- Set the border color.
- Set the border color hover.
- Set the border width.
This config will apply to all polygons. Switch to Tour Editor to check the result.