[Triple Jim]

Originally Posted by DannoXYZ

Also note that human eyes responds differently to different wavelengths. It's most sensitive to range that sun puts out, around yellow-green band of spectrum. LED lights tend to put out light in blue end of spectrum and will not look as bright as same lumens output in yellow-green end.

Gearbox Paul said he'd like to get red LEDs. That's a good choice because the human iris doesn't respond much to red, so even if he gets bright ones it shouldn't affect his night vision appreciably.