Which color of grease is more high-quality?

The use of grease to lubricate tools and machines dates back to ancient Egypt and maybe more.
Until the discovery of crude oil in the 19th century, the progress and changes related to grease were not well documented. At that time, greases were usually checked based on roughness and softness, etc.

The use of grease to lubricate tools and machines dates back to ancient Egypt and maybe more.
Until the discovery of crude oil in the 19th century, the progress and changes related to grease were not well documented. At that time, greases were usually checked based on roughness and softness, etc.
But in the last two centuries and especially the new century, they have made significant progress in the knowledge of Grace. As you know, different types of greases include: lithium base grease, lithium complex, calcium sulfate, barium complex, polyurea, etc.
Also, greases are judged based on appearance, smell, color, roughness and softness, etc., which have a very small effect on the quality and serviceability of greases.
Basically, the color of lithium and lithium complex grease is cream, and in fact, the color of grease has nothing to do with the quality and type of grease, and it is necessarily used for its commercialization. But if the wrong color is used in the preparation of grease, it will have a significant impact on the quality of the grease.