Examples of websites using
Greycliff CF
(Greycliff CF is a sans-serif font designed by Connary Fagen and released in 2020. The font family includes multiple styles with various weights and matching italics)
with
Whitney
(Whitney is a versatile sans-serif font designed and released by Hoefler&Co. It offers a comprehensive range of weights and styles, allowing designers to choose from a variety of options to suit their needs)