> the LED lights are a hard blue light The Dark Sky folks recommend <3500K for colour temperature: * https://www.darksky.org/our-work/lighting/lighting-for-in

> the LED lights are a hard blue light The Dark Sky folks recommend <3500K for colour temperature: * https://www.darksky.org/our-work/lighting/lighting-for-industry/fsa/ https://www.darksky.org/our-work/lighting/lighting-for-indus... Another criteria to get their seal is controlling the angle that the light comes out to control for glare and such. Roadway lighting: * https://www.darksky.org/our-work/lighting/lighting-for-industry/fsa/fsa-products/#!/Roadway/c/12536252 https://www.darksky.org/our-work/lighting/lighting-for-indus... Street: * https://www.darksky.org/our-work/lighting/lighting-for-industry/fsa/fsa-products/#!/Street/c/12499374 https://www.darksky.org/our-work/lighting/lighting-for-indus...