Americans of Chinese descent are not Chinese. My wife is Beijing born-and-bred and refers to (East) Asians as yellow people, as do many of her friends.

If you want a more objective source and can read Chinese, there's a Baidu Baike (think Chinese wiktionary) page for the term (黄种人):

https://baike.baidu.com/item/%E9%BB%84%E8%89%B2%E4%BA%BA%E7%...