No vull la blava; vull la verda.

Vull means I want. It is the 1st person singular present tense form of the verb voler (to want).

A few present-tense forms of voler are:

• jo vull — I want
• tu vols — you want
• ell/ella vol — he/she wants
• nosaltres volem — we want

So:

• No vull la blava = I don’t want the blue one
• Vull la verda = I want the green one

In Catalan, basic negation is usually formed with no + verb.

So:

• vull — I want
• no vull — I do not want / I don’t want

This is the normal and straightforward way to negate a sentence.

Examples:

• No menjo ara. — I’m not eating now.
• No tinc temps. — I don’t have time.
• No vull la blava. — I don’t want the blue one.

Because Catalan often uses article + adjective to mean the one that is... when the noun is understood from context.

So:

• la blava = the blue one
• la verda = the green one

This works when the speaker and listener already know what noun is being referred to.

For example, if you are choosing between shirts:

• la camisa blava — the blue shirt
• la blava — the blue one

English also does something similar with the blue one, but Catalan uses the article plus the adjective directly.

They are feminine because the omitted noun is understood to be feminine singular.

In Catalan, adjectives agree with the noun in:

• gender — masculine or feminine
• number — singular or plural

So if the hidden noun is something like:

• la samarreta — the T-shirt
• la camisa — the shirt
• la porta — the door

then the adjective must also be feminine singular:

• la blava
• la verda

If the noun were masculine, you would usually get:

• el blau — the blue one
• el verd — the green one

The sentence does not say explicitly. It could be any feminine singular noun that makes sense in context.

For example:

• No vull la camisa blava; vull la camisa verda.
• No vull la blava; vull la verda.

Both can mean the same thing if everyone already knows the noun is camisa.

So the omitted noun is not fixed by grammar alone; it depends on the situation.

Because Catalan often drops subject pronouns when the verb form already shows who the subject is.

• vull already clearly means I want
• so jo is usually unnecessary

That means both of these are possible:

• Vull la verda.
• Jo vull la verda.

The version without jo is more neutral and very common.
Adding jo gives extra emphasis or contrast, something like:

• I want the green one / As for me, I want the green one

Repeating vull makes the contrast very clear and balanced:

• No vull la blava; vull la verda.

It is a natural way to say:

• I don’t want the blue one; I want the green one.

Catalan often repeats the verb in this kind of contrast, just as English often does.

You could also find shorter versions in other contexts, such as:

• No vull la blava, sinó la verda. — I don’t want the blue one, but rather the green one.

But the sentence you have is completely normal and very clear.

The semicolon separates two closely related independent clauses:

• No vull la blava
• vull la verda

It shows a strong pause and a clear contrast between the two ideas.

It is similar to writing:

• I don’t want the blue one; I want the green one.

A comma is sometimes possible in informal writing, but the semicolon makes the structure especially clear.

Vull is pronounced roughly like bool with a special ll sound at the end.

A useful approximation for English speakers is:

• start with b/ v sound
• then oo as in food
• then a Catalan ll

The ll sound is not exactly the normal English l. In many descriptions, it is compared loosely to the sound in million for some speakers, though this is only an approximation.

So vull is roughly:

• bool with a palatal l

If you are just starting, saying something close to bool will usually be understood, even if the final sound is not perfect yet.

No, it is very normal.

The structure is basically:

• No + verb + object
• verb + object

So:

• No vull la blava — I don’t want the blue one
• Vull la verda — I want the green one

This is standard Catalan word order. The subject jo is simply omitted because it is understood.