Examples of websites using
Moderat
(Moderat is a sans-serif font designed by Fabian Fohrer and Fabian Huber and released by Tightype in 2015. The family consists of 18 styles, including regular, italic, bold, and bold italic variations)
with
Helvetica
(Helvetica is a sans serif font designed by Max Miedinger, Linotype Design Studio, and released by Linotype in 1957. It is available in a wide range of styles and weights)