Definition of «color bulbs»

The phrase "color bulbs" refers to light bulbs that can produce different colors of light, rather than just plain white light.

I put small colored bulbs on the interior of the tree and then larger bulbs towards the outside. (theinspiredroom.net)
It provides saturated and rich colors, especially compared to other color bulbs we've tested. (digitaltrends.com)
I guess I had my fill of those large vintage colored bulbs as a kid. (theinspiredroom.net)
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