Color rendering, expressed as a rating from 0 to 100 on the Color Rendering Index (CRI), describes how a light source makes the color of an object appear to human eyes and how well subtle variations in color shades are revealed.
Ra can be found in the specifications of the luminaire. The higher the number the less color distortion.
All Philips LED luminaires have a CRI of > 80.
Good color rendering Ra > 80
We don’t measure Ra on site but we can observe and experience it:
Look at the skin of your hands.How do they look? Natural, or brownish? Yellowish? How do you perceive the colors around you?