Just a note here, a single font face is boring. I prefer picking a serif and a s...

adrianhoward · on Dec 2, 2012

Boring? Depends how you use it. You can do a lot with weight, size, colour, etc.

Going for a serif/sans-serif pairing is a classic choice - and can also work well. But it can also lead to more opportunities to get things "wrong".

Constraints are useful in design.

Also in most UX situations boring is way better than bad ;-)