White vs. Grey Screen * White screen has high reducibility to picture color in dark light environment, with the best performance of brightness and contrast, the brightness is slightly higher than the grey screen. However, in the light environment, the surface of the white screen will be disturbed by ambient light. Reduce picture contrast and color saturation. Therefore, a white screen is usually used in movie theaters with independently controllable light sources. * The advantage of a grey screen is that it has anti-light performance, can resist and reduce the interference of ambient light on the screen, improves the contrast and color saturation of the picture, and obtains a comfortable picture effect. So in the light environment, the screen can still show a high contrast and color saturation picture. In the dark light environment, the black level can be improved, making the screen more three-dimensional. Compared to the white screen, the gray screen will be suitable for more viewing scenes, but the brightness will be slightly lower than the white screen. Buying advice * If you have an independent environment of dark light controllable, the white material is your best choice. * If you are installing in a light environment such as a living room, a meeting room, a classroom, etc., it is highly recommended that you purchase a light-resistant gray material. That will be an option you will never regret. If you still cannot make a decision, recommend you purchase a color sample (Asin: B088D5B9QC)for reference.