Safelight
（重定向自Safe light）
![An amber (light brown) safelight for use with certain black-and-white photographic papers](/Images/godic/202502/08/SafelightAmberForBlackAndWhite4146.jpg")
A safelight is a light source suitable for use in a photographic darkroom. It provides illumination only from parts of the visible spectrum to which the photographic material in use is nearly, or completely, insensitive.