I find this forum a bit hard to read, and I realized thatit’s because my eyes aren’t able to immediately jump between thread titles quick enough. In the mockup below I’ve edited the colors very minimally, but I feel it would make the board a lot easier to use (or at least, it would remove some of the eye strain I feel whil browsing it). In the top image you can see the board as it currently is, and in the bottom image you can see my suggestion.
All I’ve done is to darken the color of the thread titles to a dark dark grey (or near black), and then lightened the “sub” titltes where it gives the thread author and time stamp to a lighter grey. It’s a simple switch and adds a lot in my opinion.