Light reflectance value

Light reflectance value (LRV) is a numerical measurement on a scale of 00-99 that indicates the degree of lightness or darkness of a surface. Higher LRV values indicate lighter colors, while lower LRV values indicate darker colors. LRV is a design variable that can impact lighting energy consumption.From: Materials for Architects and Builders [2019], A proposal on residential lighting design considering visual requirements, circadian factors and energy performance of lighting [2023]

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Published in Arthur Lyons, Materials for Architects and Builders, 2019

Arthur Lyons

Light reflectance value (LRV) is a measure of lightness or darkness on a 00–99 scale, with light colours having a high two-digit number. Thus, most pastel shades have a light reflectance value between 75 and 83 and the majority of colours fall within the range of 04 (very dark) to 83 (very light).

A proposal on residential lighting design considering visual requirements, circadian factors and energy performance of lighting

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Published in Journal of Asian Architecture and Building Engineering, 2023

Egemen Kaymaz, Banu Manav

The light reflectance value (LRV) of surfaces is another design variable that affects lighting energy consumption. Stephen and Coley (2011), Mohelnikova and Hirs (2016), Mangkuto, Rohmah, and Asri (2016), and Singh and Rawal (2011) suggest that the reflective property of interior materials can contribute to achieving the required illuminance, reducing the operating hours of artificial lighting, hence lowering the overall energy consumption.

Light reflectance value

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Paints, wood stains, varnishes and colour

A proposal on residential lighting design considering visual requirements, circadian factors and energy performance of lighting