Answer by michaelpri for Atom Editor theme change the color of character pointer

There is a very simple way to do this in Atom. Navigate to styles.less through File > Open Your Stylesheet. At the bottom of this file, there will be this code

atom-text-editor::shadow .cursor {}

This is the code for the cursor color. You can change the color by doing

border-color: //your color here; (yellow stands out well against the darker background)

inside the the brackets.