I’ve experimented with this a few times. I find at least some degree of color and style differentiation helps (e.g., comments, string constants). For this I lik

I’ve experimented with this a few times. I find at least some degree of color and style differentiation helps (e.g., comments, string constants). For this I liked the Tao themes for emacs. It was completely fine. I moved back to various color themes just as a change of pace, like changing the wallpaper.