YOU SAID:

this is my favourite color and it is blue but i am not sure

INTO JAPANESE

これは私の好きな色で、青ですが、よくわかりません

BACK INTO ENGLISH

This is my favorite color, blue, but I'm not sure

INTO JAPANESE

これは私のお気に入りの色、青ですが、よくわかりません

BACK INTO ENGLISH

This is my favorite color, blue, but I'm not sure