Lemons and bananas are yellow.
Меваи помидор дар аввал сабз буда, дар вақти пухтанаш (вобаста ба навъҳояш) ранги сурх, норинҷӣ ва зард ба худ мегирад.
The fruit of the tomato is at first green, and when it ripens (according to its kind) it takes on a red, orange or yellow colour.
In Tajik when saying the colour of something you usually use the verb “to have”, as you can see in the first sentence. We could translate that sentence, “Bananas and lemons have a yellow colour”.
зарди тухм: egg yolk, the yellow of the egg
зарди тиллоранг: golden yellow
Tajik has some fun colour words:
каб-кабуд: very blue
сап-сафед: very white
сип-сиёҳ: very black
суп-сурх: very red
заб-зард: very yellow
If you need to review colours you can do it at Memrise: Tajik Colours. (You need to log in, but it is free.)