...yes, and you can change what colors they are manually through a small setting tucked into the bottom right corner of the page.

First example, how I'd see /b/ the moment I first go to the page
(censored tits because it's all about the children)

And over here, blue /b/, or Yotsuba B styling (circled the setting in this one for those that wanted to see).

There's more settings, but I won't bother with those.

Sex

With yourself

That'd be wrist