[old_tv_nut]

Originally Posted by marcel

Here in the Netherlands it does go wrong, LED street lighting changes color. Street lighting here with the option of various light colors, white to amber. Sometimes when the settings are lost you get different light colors in the street. Filters also come loose, causing the blue light to reach the street. With mercury and sodium you will get few color deviations, only at start-up.

It appears that the color choice is made by mixing white and amber, rather than cool white and warm white - that's my guess from the photos. So, if the white fails or is turned off completely, you get amber.