Is "as even as a lemon" or "as even as a lime" the correct idiom?

Although it's a familiar idiom, often used in daily life, when asked, many people are unsure whether "đều như vắt chanh" or "đều như vắt tranh" is the correct spelling.

According to experts, this idiom is often used to describe regularity or repetition in an action or event.

So, in your opinion, which is the correct original version of this idiom? Please leave your answer in the comment box below.

Kim Nha

Source: https://vtcnews.vn/deu-nhu-vat-chanh-hay-deu-nhu-vat-tranh-moi-chuan-thanh-ngu-ar906449.html