Have you ever wondered why a piece of white paper appears to retain its color regardless of the lighting conditions? Our brains are incredibly adept at making us perceive the paper as white, even when the light source alters its hue. This phenomenon is something cameras must replicate, balancing colors to ensure that objects appear true to their natural color under varying lighting. But here's where it gets interesting: the unit used to measure the color of light is the Kelvin, a term typically associated with temperature, not color. What's the connection?