Do you wonder why some things look dull in a photo? It may be due to something called reflectance. All objects either absorb or reflect light; darkly colored objects absorb light and brightly colored ones reflect it. But the same amount of light is falling on each of them. The light meter in all camera (and phones) is calibrated to a neutral grey. It's the equator of reflectance, the dead center. The light meter looks at a black object, and it comes out like this: