Color rendering index

（重定向自Colour Rendering Index）

Emitted light spectrum determines the CRI of the lamp.

Color rendering index shown as Color Accuracy.

CIE 1960 UCS. Planckian locus and co-ordinates of several illuminants shown in illustration below.

Chromatic adaptation of TCSs lit by CIE FL4 (short, black vectors, to indicate before and after) to a black body of 2940 K (cyan circles).

A color rendering index (CRI) is a quantitative measure of the ability of a light source to reveal the colors of various objects faithfully in comparison with an ideal or natural light source. Light sources with a high CRI are desirable in color-critical applications such as neonatal care, photography and cinematography. It is defined by the International Commission on Illumination (CIE) as follows:

单词	Colour Rendering Index
释义	Colour Rendering Index 英语百科 Color rendering index （重定向自Colour Rendering Index） A color rendering index (CRI) is a quantitative measure of the ability of a light source to reveal the colors of various objects faithfully in comparison with an ideal or natural light source. Light sources with a high CRI are desirable in color-critical applications such as neonatal care, photography and cinematography. It is defined by the International Commission on Illumination (CIE) as follows:
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