I use "print mode" syntax highlighting which is just bold, italics, and (rarely) underline, or some combination of those. It's a habit I picked up when I had on

I use "print mode" syntax highlighting which is just bold, italics, and (rarely) underline, or some combination of those. It's a habit I picked up when I had one PI who was severely red-green color blind, and another who had mild yellow-blue issues.