Released on: July 25, 2008, 2:05 pm

Press Release Author: Nir Mizrachi

Industry: Electronics

Press Release Summary: Information on Color Temperature and CRI

Press Release Body: Color temperature and CRI provide some helpful information, but they are not perfect. Color temperature, for instance, fails to indicate anything about how a given light source will render colors. For example, imagine two \"cool\" light sources with similar color temperatures and color appearances. Suppose light source A produces fairly uniform energy across the spectrum. Suppose light source B, which looks the same produces a similar spectrum except with almost no light in the red. Red objects which appear natural under light source A will therefore look dull and colorless under light source B even though both lights are the same color temperature. In general, a high CRI figure means a light source will render colors well. However, since CRI figures are calculated for light sources of a specific color temperature, it is not valid to compare a 2700k, 82 CRI. In addition, remember that CRI is an average of eight different colors. This means that a light source with a high CRI will tend to render the broad range of colors well, but it is not a guarantee that any specific color will appear natural. Used in conjunction, however, color temperature and CRI can provide excellent benchmarks for the comparison of the light sources.



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