What does white paper look like?

Blank paper is paper with dark lines. Dark grid paper refers to drawing lighter and lighter lines on calligraphy paper, so that calligraphy paper can vaguely see the traces of grid. Paper is mat paper, which is made of raw materials containing plant fibers through pulping, modulation, papermaking, processing and other technological processes, and can be used for writing pictures, printing books and newspapers, packaging and so on.