(Changing it to black on tan, like the 'interactive story' segments would also work, and still look neat - any might actually be better than bright white, at least from my experience.)
I found this post while searching for a solution to this myself.
I can only read light-on-dark for so long before I start inching towards a migraine and have to stop. When I saw a colorblind option (which was awesome of you guys to add!), I was really hoping there would also be an option to invert the text.