You could choose Composite video out and S-Video for connecting to both modern and vintage displays
The adapter is compatible with Commodore 64
Commodore C64C
Commodore 128
Commodore Plus/4
Commodore 128D
Commodore 16
and Commodore C116
Thanks for Sven Petersen's great design! Source: https://github.com/svenpetersen1965/C64-A-V-Adaptor