I realize this might be a contrast thing, but I think the questions that are colored based on favorite tags (at least I think that's how it's decided) could be a couple shades darker at least:
This really depends on how I'm looking at it (laptop screen), but even at the 'best' angle I think it could do with some darkening.
Thanks to @jcolebrand's suggestion, I changed it from
rgb(255,235,175) and found it better. May not be perfect, but here's a screenshot: