noun
daylight lamp; daylight bulb
A light bulb designed to emit a color temperature close to natural daylight, often used in color-critical tasks or to simulate outdoor light indoors.
絵を描くときは昼光色電球を使うと色が正確に見える。
When painting, using a daylight bulb makes colors look accurate.
電球色電球 emits a warm, yellowish light similar to traditional incandescent bulbs, while 昼光色電球 produces a cooler, bluish-white daylight-like light.
Compound of 昼光色 (daylight color) and 電球 (light bulb). The term is descriptive and transparent.