How to change the color of shared notes?

joplin-share-color

When I shared my notes, I found its color is difficult for read. How could I change this color? And How could I list all the shared notes?

Thanks.

This is app version that I'm working with:
Joplin 2.7.15 (prod, win32)

Client ID: 57b929924c8644f6a5dc4a0c4e96051b
Sync Version: 3
Profile Version: 41
Keychain Supported: Yes

Revision: 8352e23