If you wanted to stick with one font family (e.g. Helvetica, or Arial) you can create beautiful font pairings by using
the different font weights.
Or
different font weights?
Not exact matches
The Vizplex factor doesn't really mean much, and with the
font weight settings it's a
different story.
While reading, you can choose from a selection of 11
different fonts in 24 sizes, and you can also customize the ink
weight and sharpness of each
font.
Fontsmith, the type foundry behind
fonts like Hackney and Ingrid, launched FS Industrie, an adaptive type system that features five
different widths and seven
weights, for a total of more than 70 variants.
Within a typeface, there are
fonts different in
weights and other variations e.g. bold, italic, semi-bold, heavy etc..