Orange pekoe (/p??k.o??/ or /pi??.ko??/), also spelled pecco, or OP is a term used in the Western tea trade to describe a particular genre of black teas (orange pekoe grading).[3][4] Despite a purported Chinese origin, these grading terms are typically used for teas from Sri Lanka, India and countries other than China; they are not generally known within Chinese-speaking countries.