Which color of fog lights has strong penetration?

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Yellow fog lights have strong penetration. The following is a related introduction to fog lights: 1. Function: The purpose of fog lights is to make other vehicles see the car in foggy or rainy conditions where visibility is greatly affected by the weather. Therefore, the light source of fog lights needs to have strong penetration. Most vehicles use halogen fog lights, and LED fog lights are more advanced than halogen fog lights. 2. Activation conditions: According to traffic regulations, when visibility is between 100-200m, fog lights, low beams, width indicators, and tail lights must be turned on, the speed must not exceed 60km/h, and the distance from the vehicle in front must be more than 100m.