The term 'white black gradient color gl8' refers to a gradient color scheme transitioning from white to black, often seen in design or automotive industries. GL8 might refer to a specific model or type of vehicle or product. In the context of a car, it could be describing the color scheme of a GL8 vehicle, which is a model produced by the Chinese automaker FAW Volkswagen. This color scheme is used to denote a smooth transition of color, creating a visually appealing effect.