Usually, most of the registered trademarks of clothing will apply for black or white, but they can also be changed to other colors in the process of self-use. If there is a specified color at the time of application, you can't change the color of the trademark by yourself after the application is successful.
There is a standard in the domestic clothing industry that different colors of labels will represent different styles of clothes, among which blue refers to fashionable and casual clothes. If it is a green label, it refers to life and leisure clothing; If it is a red label, it is a professional dress. When we want to buy fashionable casual clothes, we usually choose blue labels.
Some foreign brands will have labels of various colors on their clothes, and the blue label is a version specially used in a certain region. Common blue labels are mainly used for e-commerce sales. In addition to green label, red label and blue label, some brands of clothes can also see gold label, which is different from blue label in sales model.