LED COLOUR RENDERING INDEX (CRI or Ra)

Blogs Posted by: threes on 27/09/2018 07:44

The colour rendering index (CRI or Ra) is a measure of how well a light source reproduces the colour of an object compared to a standard source. The index value is computed from how well the light source under test reproduces the colour of a number of standard colour swatches. Generally, colour rendering index between 80 and 90

is good and value between 90 and 100 considered as very good.

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