Terminal.app reverse text color under cursor macOS Catalina 10.15.2, Terminal.app 2.10

In VIM:



and in for example VI-mode at the command line:



There is an o under the first cursor, and an s under the second cursor. In-person, I can just about   make out the tiniest difference, and distinguish the characters.

But it's not easy at all.

How can I make my Terminal.app invert the colors of light text when the cursor is over it?
You can go into Preferences and change the color of your cursor so the text is visible behind it. The cursor color is changed by going to Preferences/Profiles where you get a panel like the one shown in the figure below.



I changed my cursor color to red and I could see letters behind it fine. Another option is to change your cursor to underline or a verticle bar. Those optional are selectable on the same pane to the left of my red box.