There is no difference. This is the different style when the company applies for a trademark. Because it is registered as a black and white trademark, you can change the color and use the registered trademark when using it.

As the colors of the words, graphics, letters, numbers, sounds, three-dimensional signs or their combinations that constitute the trademark, if no specific color requirements are explicitly stated when applying for trademark registration, they will be registered as black and white, or as black and white. Black and white color protection. If a designated color or color combination is clearly stated, the registration will be based on the designated color or color combination, and the designated color or color combination will also be protected.