Legal analysis: There are no specific requirements for trademark color. When applying for trademark registration, if you have not applied for protection of a designated color, you can change the color at will; when applying for trademark registration, if you apply for protection of a designated color, you cannot change the color. The constituent elements of a trademark must comply with regulations, that is, they must be composed of a single or a combination of elements such as "text, graphics, letters, numbers, three-dimensional logos, color combinations, sounds, etc." stipulated in the Trademark Law.

Legal basis: "Trademark Law of the People's Republic of China"

Article 8 Any sign that can distinguish the goods of a natural person, legal person or other organization from the goods of others , including words, graphics, letters, numbers, three-dimensional logos, color combinations and sounds, etc., as well as combinations of the above elements, can be applied for registration as trademarks.

Article 10 The following signs shall not be used as trademarks: (1) Identical or similar to the country name, national flag, national emblem, national anthem, military flag, military emblem, military anthem, medals, etc. of the People's Republic of China It is the same as the name or logo of a central state agency, the name of a specific place where it is located, or the name or figure of a landmark building; (2) It is the same as or similar to the name, national flag, national emblem, military flag, etc. of a foreign country, but Except with the consent of the government of the country; (3) Identical or similar to the name, flag, emblem, etc. of an intergovernmental international organization, except with the consent of the organization or it is not likely to mislead the public; (4) With the exception of those that indicate the implementation of control or guarantee The official signs and inspection marks are the same or similar, except those authorized; (5) The names and signs are the same as or similar to the "Red Cross" and "Red Crescent"; (6) The names and signs are ethnically discriminatory; (7) It is deceptive and can easily cause the public to misunderstand the quality and other characteristics of the product or its place of origin; (8) It is harmful to socialist morals or has other adverse effects. Place names of administrative divisions at or above the county level or foreign place names known to the public shall not be used as trademarks. However, exceptions are made where place names have other meanings or are part of collective trademarks or certification marks; registered trademarks using place names will continue to be valid.