ひる光色 こうしょく電球 でんきゅうであれば
hiru kōshokudenkyūdeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 昼光色電球

1. If it is a daylight-colored lightbulb.; If it were a daylight-colored lightbulb.

Ba Conditional