Sparked by this feature request on meta.SO, I created a quick user script that offers a toggle to show or hide diff colors.
Look at the following screenshot to see it in action. The upper view is how it looks with enabled diff colors (default case, matching the behavior without the extension), and the one on the bottom shows how it looks with the colors disabled:
Install and source
- 1.1.1: Code cleanup and minor improvements
- 1.1.0: Add functionality to review pages (suggested edits)
- 1.0.0: Initial release