Color Temperature Considerations for Halogen ReplacementsĬolor rendering is, of course, a critical aspect of light quality, but this all assumes that we have the color temperature selection right. As a simple rule of thumb, the higher the CRI and R9 values, the closer a light source will be to halogen in terms of color appearances. It should go without saying that if you're looking to replace your halogen lamps with LED lamps, the best way to minimize the impact to color quality is to pay attention to the color rendering metrics of the LED lamp. The inconvenient truth is that switching from halogen to any other light source will lead to a reduction in CRI and light quality. In other words, incandescent and halogen bulbs are the standard to which all other light sources, including LED lamps, are compared against. This is because, by definition, CRI uses incandescent and halogen sources as the measurement standard to measure warm-white color temperature light sources. Measured using the color rendering index (CRI), incandescent and halogen lamps have a perfect, 100 CRI rating. Once the lamp was installed, you knew exactly what you would get - a nice, warm incandescent glow, with perfect color rendering.Įnergy efficiency and heat generation issues aside, incandescent and halogen lamps are actually excellent light sources from a color quality perspective. Color Rendering Index of Halogen Lamps is 100 CRI!īefore the development of energy-efficient lighting technologies, searching for a bulb was a relatively straightforward task, where the only considerations were brightness (wattage) and form-factor (e.g.
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