Downloading atlas svg with selected region colored in purple like website

[grimwoo]

Hi, thanks for development of such a nice package. Here, I wonder wether could I downloading atlas svg with selected region colored in purple like website.

In website, we could select a specific region of interest as following:

Following the guidance, we could easily download a single atlas svg. However, could we make the regions of interest colored in purple like website? Any suggestion is welcome. Thanks for your generous help!