Page 134 - LNA Standards Manual 2018 update

Lighting QUALITY OF LIGHT

naturally show color compared to daylight. CRI is described on
makes the color of an object appear to human eyes and how
well subtle variations in color shades are revealed. In general,
The Color Rendering Index (CRI) describes how a light source
CRI is a measure of a light source's ability to realistically or

source is at rendering color. a scale from 0 to 100; the higher the value the better the light Halogen lamps are considered a reference light source and  have a CRI of 100. Fluorescent lights typically have a CRI in the 70’s and are  considered to be very poor in accurately rendering color. Some studies suggests high CRI values are perceived to be  brighter by the user which could allow for the use of lower wattage light