Generally, gold cards are golden in color. As for credit cards issued by China Construction Bank, they are all referred to as dragon cards. In fact, there is another way to distinguish which is relatively simple. From the credit limit, those with a credit limit of less than 30,000 yuan are regular cards; those with a credit limit of less than 50,000 yuan and more than 30,000 yuan are gold cards. ; If the credit limit is less than 100,000 yuan and more than 50,000 yuan, it is a platinum card; if it is more than 100,000 yuan, it is a diamond card. In the above description, the following does not include the original number, and the above includes the original number. Even if the colors of the cards don't match for a while, they will be adjusted when the cards are replaced.