Examples of websites using
Avenir
(Avenir is a sans-serif font designed by Adrian Frutiger and Nadine Chahine, released by Linotype in 1988. It features clean and modern letterforms and is available in multiple weights and styles)
with
Sharp Grotesk
(Sharp Grotesk is a sans-serif font designed by Lucas Sharp and released by Sharp Type. The font family includes 14 styles, with seven weights ranging from Thin to Black, each with a corresponding italic counterpart)