The resulting bulbs have a cheery glow and a rustic look that we really like. Of course, it’s not a huge leap from DIY light bulbs to making your own vacuum tubes. That’s how [Dalibor Farny ...
is the average measured color temperature of 10 bulb samples. Those with 2700 K are closest to incandescent bulbs; ones with 3000 K are similar to halogen bulbs.