According to the luminescent color of the light-emitting tube, it can be divided into red, orange, green (and subdivided into yellow-green, standard green and pure green), blue light, etc. In addition, some light-emitting diodes contain chips of two or three colors.

According to the light-emitting diode light mixed with or not mixed with scattering agent, colored or colorless, the above various colors of light-emitting diodes can also be divided into four types: colored transparent, colorless transparent, colored scattering and colorless scattering. Scattering type light-emitting diode and up to be used as an indicator light.