As LCD technology advanced and screens achieved higher resolutions, a fashion for slender letterforms took hold. Apple led the trend when it designated Helvetica Neue Ultralight as its system font in 2013. (Eventually, Apple backed away from the trim font by adding a bold text option.)
As screens have advanced, designers have taken advantage of their increasing resolution by using lighter typeface, lower contrast, and thinner fonts. However, as more of us switch to laptops, mobile phones, and tablets as our main displays, the ideal desktop conditions from design studios are increasingly uncommon in life.
So why are designers resorting to lighter and lighter text? When I asked designers why gray type has become so popular, many pointed me to the Typography Handbook, a reference guide to web design. The handbook warns against too much contrast. It recommends developers build using a very dark gray (#333) instead