Change the display color of pages in scrivener3

Hello everyone, I’m trying out Scrivener3. I’m having a display problem.
The display of the pages has a gray background and the letters in black.
My Question: How to change the background color of the application? Thanks in advance

Hi.

There are options for many of the colors, but as a first step, the best would be to try and find a theme that fits your needs.

Go to File / Options (Ctrl + , under Windows)

Default is as bland as it gets.

And also check out our user contributed themes:

After that, open up a copy of the user manual from the Help menu, and jump to Appendix B.5, which covers all of the appearance options found in File ▸ Options....