Peking Opera masks use red, black and white to distinguish roles, express characters and fill in the blanks.

The color of Facebook is related to personality, fate and personality quality.

It's like this in Beijing Opera-

Red face: contains praise, representing loyalty and courage.

Black face: it is neutral, representing fierce wisdom.

Blue face: neutral, representing a rebellious hero.

Green face: Same as above.

Yellow-faced woman: derogatory, indicating fierceness and deceit.

White face: Same as above.

Golden face: mysterious, representing a demon.

Silver face: same as above.

Facebook originated from ancient religious and dance masks, and this tradition has been preserved in many local operas.

There is a song "Singing Face" which reflects the above situation.