How to change ttk.Entry insertion cursor color?

Question

I am developing an application using Python3 and tkinter 8.6. Part of is a rather complex dialog which uses a dark background. The enclosed code employs only a few widgets to sh

Answer 1

The option for a ttk Entry widget is insertcolor.

...
'TEntry': {
    'configure': {..., 'insertcolor': ebg},
...

Here is a handy reference of all of the options for ttk widgets. It's on the tcler's wiki so the syntax is tcl rather than python, but the option names themselves are the same between languages.

Changing Widget Colors