Tried reproducing this with a random C++ example:

Default background:

![Screen Shot 2013-02-11 at 11 09 53 AM](https://f.cloud.github.com/assets/407497/146144/bb7afdb8-747e-11e2-9a05-550df2da6757.png)

Is this what you're seeing? Seems readable.

Not being sure of having no 'well' at all, here's  hex f7f7f7, what do you think?

![Screen Shot 2013-02-11 at 11 10 17 AM](https://f.cloud.github.com/assets/407497/146152/d79f44fe-747e-11e2-8f6a-b43b0199009f.png)