Kuzenim kırmızı ruj yerine daha açık bir renk seçti.

In Turkish, possession is often shown with an ending rather than a separate word.

• kuzen = cousin
• kuzenim = my cousin

The ending -im here marks first person singular possession.

So Turkish often says:

• kuzenim = my cousin
• kuzenin = your cousin
• kuzeni = his/her cousin

You can also say benim kuzenim for extra emphasis, but usually just kuzenim is enough.

Kuzen is gender-neutral. It can mean either:

• male cousin
• female cousin

So kuzenim can mean my male cousin or my female cousin. Turkish usually does not mark this distinction unless the context makes it clear.

Turkish usually follows a subject–object–verb pattern, so the verb often comes at the end.

Here the sentence is structured like this:

• Kuzenim = my cousin
• kırmızı ruj yerine = instead of red lipstick
• daha açık bir renk = a lighter color
• seçti = chose

So the verb seçti naturally comes last.

This is one of the biggest word-order differences from English.

Yerine means instead of or in place of.

In this sentence:

• kırmızı ruj yerine = instead of red lipstick

It is a very common Turkish structure:

• çay yerine kahve = coffee instead of tea
• araba yerine otobüs = the bus instead of the car

Literally, yer means place, and yerine originally has the sense of in its place.

Because with yerine, Turkish often uses the noun phrase directly without the accusative ending.

So:

• kırmızı ruj yerine = instead of red lipstick

This is a normal fixed pattern. English learners sometimes expect a marked object ending here, but yerine works more like a postposition phrase.

You will also see related forms like:

• benim yerime = instead of me
• onun yerine = instead of him/her/it

But with ordinary nouns, X yerine is very common and natural.

Daha means more, and açık can mean open, light, pale, or clear, depending on context.

In color contexts:

• açık renk = a light color
• daha açık = lighter / paler

So daha açık bir renk means a lighter color or a paler shade.

Here açık does not mean open. It refers to color tone.

Yes. Daha is the standard way to make comparatives in Turkish.

Examples:

• büyük = big

• daha büyük = bigger

• güzel = beautiful

• daha güzel = more beautiful

• açık = light/pale
• daha açık = lighter/paler

Unlike English, Turkish does not usually add something like -er to the adjective. It simply puts daha before it.

Here bir means a/an.

So:

• renk = color
• bir renk = a color
• daha açık bir renk = a lighter color

Turkish does not always use an article the same way English does, but bir is commonly used when the noun is indefinite and singular.

This is about the accusative in Turkish.

Turkish often leaves a direct object without the accusative ending when it is indefinite or non-specific.

So:

• bir renk seçti = chose a color
• rengi seçti = chose the color / chose a specific color

In your sentence:

• daha açık bir renk seçti = she/he chose a lighter color

Because the object is indefinite, renk stays unmarked.

Seçti is the simple past tense.

Breakdown:

• seç- = choose
• -ti = past tense

So seçti means:

• chose
• selected

It is third person singular, so it can mean:

• he chose
• she chose
• it chose

In this sentence, the subject kuzenim tells us it means my cousin chose.

Turkish third-person singular verbs do not distinguish gender.

So seçti can mean:

• he chose
• she chose

Turkish also often drops subject pronouns when the subject is already clear.

Here, kuzenim gives the subject, so there is no need for a separate word like he or she.

Yes.

• kırmızı = red
• ruj = lipstick

In Turkish, adjectives normally come before the noun, just like in English:

• kırmızı ruj = red lipstick
• açık renk = light color
• güzel elbise = beautiful dress

So this part is quite straightforward for English speakers.

Yes, depending on context, that is a very natural translation.

Literally:

• renk = color

But in English, when talking about makeup, clothes, paint, and similar things, shade can sound more idiomatic. So:

• daha açık bir renk = a lighter color
• daha açık bir ton = a lighter tone/shade

In this sentence, a lighter color is a direct translation, but a lighter shade may sound more natural in some contexts.

Yes:

• Kuzenim = my cousin
• kırmızı = red
• ruj = lipstick
• yerine = instead of
• daha = more
• açık = light / pale
• bir = a
• renk = color
• seçti = chose

So the full structure is:

Kuzenim | kırmızı ruj yerine | daha açık bir renk | seçti.

= My cousin chose a lighter color instead of red lipstick.