Should be better now. Thanks for reporting.
Note that these low-contrast, tiny font designs are almost universally hated. What were the design decisions that led to that? I'm seriously interested. Here is a UX.SE thread on it, I'm the OP:
https://ux.stackexchange.com/questions/67891/what-is-the-rea...
I'm guessing "It looks really great on designer's retina display"
Btw, the color on other pages is still #6c6c6d. Given how readable features page is, it'd be nice to see #000 on others as well :)