Where to find all available options for the value parameters of the badge url?

[Marios-Mamalis]

Hi,
Where can I find a list with all the possible parameter values for each pameter key? For example in the url used below, what are all the possible values for right_color?
https://static.pepy.tech/personalized-badge/package?period=total&left_color=grey&right_color=yellow&left_text=Downloads
Thank you

[ddc]

Hi!!
Yes, I was also trying to find some options for the badge style like ?style=plastic and I could not find it
Thank you