/usr/share/kdisplay/app-defaults/XOsview.ad is in plasma-desktop-data 4:5.8.6-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 | xosview*meterLabelColor: FOREGROUND
xosview*usedLabelColor: FOREGROUND
xosview*background: BACKGROUND
xosview*foreground: FOREGROUND
|