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Color Rendering (Ra)

 

 

  • Color rendering, expressed as a rating from 0 to 100 on the Color Rendering Index (CRI), describes how a light source makes the color of an object appear to human eyes and how well subtle variations in color shades are revealed.
  • Ra can be found in the specifications of the luminaire. The higher the number the less color distortion.
Car park diagram

All Philips LED luminaires have a CRI of > 80.

Car park diagram

Good color rendering Ra > 80

We don’t measure Ra on site but we can observe and experience it: 

Look at the skin of your hands.How do they look? Natural, or brownish? Yellowish? How do you perceive the colors around you?
Poor lighting

Poor color rendering Ra < 80

                         

 

 

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September 20

Climate Leadership - How to Go Carbon Neutral?

Presented by Renat Heuberger

 

October 10

Visual Comfort and Artificial Lighting

Presented by Sarvdeep Basur

 

November 16

Zen and the Art of Lighting Design

Presented by Peter A. Hugh

 

December 6

Light in Space

Presented by Maarten Jamin, Vesna Petresin, Gernot Oberfell

 

January 17

Light Pollution - The Effects on Animals and Humans

Presented by Kamiel Spoelstra, Steven Lockley

 

February 20

A Fine Dining Experience (The Art of Consulting as a Lighting Designer)

Presented by Dr. Emrah Baki Ulas


Paul Traynor
Paul Traynor
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