yūn yēung
鴛鴦 is the name for Mandarin ducks, where 鴛 refers to the male duck and 鴦 refers to female duck.
鴛鴦 is symbolic of couples, and, in the case of this coffee/tea mix, odd couples.
A popular Hong Kong mix of coffee and Hong Kong style milk tea.
milk tea
Hong Kong-style milk tea
boba milk tea
brown sugar milk tea