Modern daylight-mimicking LEDs can closely reproduce the spectral characteristics of natural light, featuring a high color rendering index, a continuous spectrum, and stable correlated color temperature. They play an irreplaceable role in applications that require “true color reproduction,” “natural-light simulation,” and “a stable reference illuminant.” Typical use cases include white balance calibration for imaging devices such as cameras, displays, and scanners, as well as color calibration in color management workflows for printing, textiles, and related industries.