Yuenyeung (Yuanyang)
Also yuanyang, 鴛鴦, Hong Kong coffee-tea
Hong Kong's coffee-and-milk-tea blend, roughly three parts coffee to seven parts tea, named after the inseparable mandarin duck pair.
RegionalServed hotFrom Hong Kong
- Volume
- 240ml8.1 US fl oz
- Espresso
- 0shots
- Caffeine
- 28mgderived, USDA FDC
- Glass
- Mug300 ml
The build
Watch it made, step by step- Hong Kong-style coffee70 ml29%
- Hong Kong milk tea160 ml67%
- Syrup10 ml4%
- Volume
- 240ml
- Caffeine
- 28mg
- Espresso
- 0shots
Scales every component together, so the ratio holds; caffeine scales with the coffee.
Wikidata describes it as three parts coffee to seven parts milk tea; served hot or iced.
Caffeine
Derivedin a 240 ml yuenyeung (yuanyang)
USDA FoodData Central SR Legacy caffeine per 100 g scaled to the coffee volume in components, assuming 1 g per ml. FDC 171890 (Beverages, coffee, brewed, prepared with tap water) 40.0 mg/100 g x 70 ml.
USDA FoodData Central record 171890 · read 2026-10-26
A derived figure: the reference food's caffeine per 100 g scaled to the coffee in this build. Real cups vary with the coffee, the dose and the shot.
Variants by country
2| Name | Country | How it differs |
|---|---|---|
| cham | Malaysia | Malaysian equivalent. |
| dong yuenyeung | Hong Kong | Iced version. |
History
Popular accountWikidata records the mandarin duck as namesake and classes it as a milk tea and coffee drink. Dai pai dong street stalls of mid-century Hong Kong are its usual origin story (popular account).
Hong Kong cha chaan teng drink; named after the mandarin duck pair.
Parts of this story are repeated widely but were not confirmed against a source this atlas accepts. They are kept as the story people tell, not as fact.
Related drinks
Malaysia's half-coffee, half-tea with condensed milk, served hot or iced at kopitiams.
Regional Hong Kong-style Coffee 230 ml · 72 mgThe cha chaan teng's coffee: sock-brewed and softened with evaporated milk and sugar, a close cousin of Hong Kong milk tea.
Regional Kaffeost 200 ml · 60 mgLapland's coffee with cheese: cubes of bread cheese dropped into hot boiled coffee and eaten as they soften.
Regional Kopi Joss 200 ml · 80 mgYogyakarta's charcoal coffee: a glowing coal dropped into sweet black coffee for a hiss and a smoky, less acidic cup.
Regional Kopi Santan 200 ml · 60 mgIndonesian coffee made creamy with coconut milk and sweetened with palm sugar.
Regional Kopi-C 195 ml · 60 mgKopitiam coffee with evaporated milk and sugar, the lighter alternative to condensed-milk kopi.