Colour rendering of LEDs – what is the difference between CRI and Ra? - Blog

Published: 28.4.2020

Modified: 28.2.2025

Reading time: 6 minutes

Author name: Sanna Salmela

Summary

The CRI value measures the colour rendering of light more broadly than the Ra value
High CRI value improves the natural colour rendering of lighting
Ra value does not take into account all colour tones, such as skin tones
LedStore reports the actual CRI values of its products
Professionals appreciate high CRI in working environments

Sanna Salmela

Lighting blogger and lighting consultant at LedStore since 2016. Background in marketing, sales and communications since 2006. I love how, one article at a time, we bring our lighting expertise to the public, opening up the world of light and its possibilities.

See Full Bio

Colour rendering of LEDs – what is the difference between CRI and Ra?

Summary

Reply to