I cannot change the color of a selected folder/file

I'm trying to change the colors in Settings--> Preferences --> Display--> Colors and fonts--> Files and folders--> Selected text to another color, but it doesn't work. In Settings--> Preferences --> File Display--> Details I have enabled the setting to display gridlines, but even disabling it does not solve the problem.

Turn off the option shown here:

We've got an update in the pipeline (waiting for the next round of language translations) which will make this more obvious, with a note/link below the affected colors which takes you to the option in question and highlights it:

Thanks Leo!