Open Sans with Roboto in action on grobo.io

.header-1 { font-family: "Open Sans", sans-serif; font-size: 36px; font-style: normal; font-weight: 300; letter-spacing: normal; line-height: 46px; text-transform: none; color: #000000; }
.content-1 { font-family: Roboto, sans-serif; font-size: 16px; font-style: normal; font-weight: 300; letter-spacing: normal; line-height: 26px; text-transform: none; color: #797676; }
Open Sans is available from Font Squirrel, Google Web Fonts, MyFonts and Typekit.

Roboto is available from Font Squirrel, Google Web Fonts and Typekit.

Try this combination out in Pair and Compare.
Found by @mikesten on 20 Aug 2016.

Liked by:
@mikesten @karatziotis @_hnk_w_ca @brandonkalyan @tim_j_evans @AndOlesya

Open Sans with Roboto