Ha, a one-line edit! Took me fumbling about making a mess in a bunch of different places!
I played with dark mode in the past
https://github.com/marc3linho/OrangeClock/blob/main/src/drivers/ePaper2in9.py
in Line 177 remove the ~ for dark mode 
Ha, a one-line edit! Took me fumbling about making a mess in a bunch of different places!
Even if it looks very simple, I spent a lot of time with that code 😅