Fonts and Colors Used by Facebook, Twitter, Google+ and More

It’s handy to have a collection of brand assets used by social networks, so you can correctly incorporate those assets into your own designs. Designers often need to know the fonts and colors used by popular social networks such as Facebook, Twitter and Google+, as this information can be used to design more recognizable social login buttons and icon-links to social channels.

Source: Fonts and Colors Used by Facebook, Twitter, Google+ and More