Take a quick look at Public Beta on dprevived.spirito.eu
"Some Info about changes: Changed colors in dark theme"
Color of SubForum name doesn't seen good and not harmonized with white subforum icon and subthread buttons.
White Icon don't look good at all (IMHO)
In gray mode Icon is gray and harmonised with sub thread buttons
So In darktheme Icon, Subthread Name and Subthread botton color must be harmonised.
May be like this: