List Item Background Color Setting

Is there a method to set the default background color for list items' names? I find that this improves contrast, making it easier to view the expanded hierarchy.
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I want them to show in a default background color, and I can choose them with another color.

Yes, those colors are all near the top of the Directory Opus Colors in Preferences. Not sure exactly which you want to change, but they’re all there.

To clarify, I want the default background color of the item names to match the one shown in my original post, which is currently only visible upon selection.

The file display background color is in the place I pointed to.