A logo can have up to 4 colors, and the colors are complementary, but there is no limit to the current mainstream design.

LOGO is the foreign language abbreviation of logo or trademark, and the abbreviation of LOGOtype. It plays a role in identifying and promoting the company that owns the logo. Through the image of the logo, consumers can remember the company's main body and brand culture. Logos on the Internet are mainly graphic signs used by various websites to link to other websites, representing a website or a section of the website.