FOLIO uses Source Sans Pro as its only typeface.
Source Sans Pro
Source Sans Pro is a set of OpenType fonts that support a wide range of languages.
Being open source, numerous updates shall appear to expand glyph set coverage and functionality.
Source Sans Pro has 6 different weights: extra light, light, regular, semibold, bold and dark.
In general, FOLIO uses only two: the regular and semibold weights.
FOLIO uses 3 font sizes: 12px, 14px and 18px.
The default color is black.
Visibility can be set to either 100%, 62% or 30% (only for placeholder).
A different color shall be used for error, warning and success text.
Italics may be used to emphasize certain pieces of information so that users can quickly pick up key elements.