From this: https://bugs.kde.org/show_bug.cgi?id=402115#c3 Currently latte doesn't support Plain color wallpapers. Sometimes the text color is similar to the background, it's difficult to read. Screenshot: https://i.imgur.com/pOXhTYW.png
Git commit b6ae8d66ee064340af7a1b3b7da93191c7c11986 by Michail Vourlakos. Committed on 25/12/2018 at 17:11. Pushed by mvourlakos into branch 'master'. identify single color background also --Latte now does not only identify background files but single colors also. At the same time the new implementation is multi-screen aware. That means that two different top panels at two different screens can be color independent, meaning the first could be lightish when it is transparent and the latter darkish M +8 -2 liblatte2/plasma/extended/backgroundcache.cpp https://commits.kde.org/latte-dock/b6ae8d66ee064340af7a1b3b7da93191c7c11986