I am working on an existing project where there are some blue folders that store some image references. If I create normal yellow folders, images are not read. So how do I create new blue folders?

I am working on an existing project where there are some blue folders that store some image references. If I create normal yellow folders, images are not read. So how do I create new blue folders?

To make blue folder you should do following steps,
You will get that folder with blue color.
Thank You..