Blue matcha is all over cafe menus and feeds, usually as an electric-blue latte that shifts to purple when you add lemon. It looks like magic. The one thing worth knowing up front: it is not actually matcha.
So what is blue matcha?
Blue matcha is powdered butterfly pea flower (Clitoria ternatea), a plant grown across Southeast Asia. It got the nickname because you whisk and use it much like green matcha, but there is no green tea in it and no caffeine. The blue comes from natural pigments called anthocyanins, the same family of compounds that make blueberries and red cabbage their colours.
What does it taste like?
Very mild. Butterfly pea is close to a light, earthy herbal tea, almost neutral, with a faint woody note. Most of the appeal is the colour rather than a strong flavour, which is why it is usually sweetened or paired with lemon, vanilla or coconut in a latte.
The colour-change trick
Butterfly pea is pH sensitive. On its own it is deep blue, but add something acidic like lemon or lime and it turns violet, then pink. That is why a blue lemonade slowly shifts colour as you stir in citrus. Nothing artificial is happening, it is just the pigment reacting.
Does blue matcha have caffeine?
Pure butterfly pea, like our Blue Ninja, is caffeine-free, so it suits evenings and anyone cutting back. Note that some blue blends mix in other ingredients: Bluetcha, for example, combines blue spirulina with real green matcha, so that one does contain caffeine. Check the label if caffeine matters to you.
Butterfly pea vs blue spirulina
Two different blue powders get lumped together. Butterfly pea flower gives the pH colour-change and a mild herbal taste. Blue spirulina (an algae extract) gives a brighter, more stable blue and is often used in blends like Blue Chai Latte. Both are caffeine-free on their own; only butterfly pea does the lemon colour trick.
Possible benefits
Butterfly pea is rich in antioxidants (those anthocyanins), which is the main evidence-backed point in its favour. It is also caffeine-free and naturally low in calories before you add sweetener. A lot of the bigger wellness claims are still short on strong human research, so it is best enjoyed as a pretty, low-caffeine drink rather than a supplement.
How to make a blue latte
- Whisk half a teaspoon of butterfly pea powder with a splash of warm water until smooth.
- Add 240ml of milk, hot or over ice. A bamboo whisk or frother gives the cleanest mix.
- Sweeten to taste. For the colour-change version, serve over ice with a wedge of lemon on the side and add it at the table.
If you like the format, it sits nicely alongside a normal green matcha in your routine: one for the morning caffeine, one for a calmer afternoon.
Frequently asked questions
Is blue matcha real matcha?
No. It is powdered butterfly pea flower. It is used like matcha but contains no green tea and no caffeine.
Does blue matcha have caffeine?
Pure butterfly pea is caffeine-free. Some blue blends add green matcha or other ingredients that do contain caffeine, so check the label.
Why does blue matcha change colour?
The pigments in butterfly pea react to acidity. Add lemon or lime and the blue turns purple, then pink.
What does blue matcha taste like?
Mild and lightly earthy, close to a delicate herbal tea. It is usually sweetened or flavoured because the taste is subtle.
Where can I buy blue matcha in the UAE?
PERCUP stocks butterfly pea (blue matcha) and blue blends with delivery across the UAE, usually in 2 to 4 days.
