The font's a very light grey.
Nora, I'm not sure if whatever you're reading this on supports it but if you hit the "reader mode" button in your browser (on Firefox it's at the RHS of the address bar) it strips out all the florid crap that forums tend to use and just reduces it to simple black text on a white background - then you can turn your brightness down.
It looks like this then:
reader mode NMP.png