Light_Reflectance_Value
Light reflectance value
Measure of light reflected from a surface
In architecture, light reflectance value (LRV), is a measure of visible and usable light that is reflected from a surface when illuminated by a light source.[1] The measurement is most commonly used by design professionals, such as architectural color consultants, architects, environmental graphic designers and interior designers.
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LRVs are frequently reported on paint chips or paint samples. The values are used by lighting designers to determine the number and type of light fixtures needed to provide proper lighting for interior spaces.