Colour Rendering Index
The colour rendering (CRI) is one of the most important factors is to create as pleasant light as possible for the humans, the light that emitted have to give a re-reflection from object or a surface that are correct. If we increase the colour rendering input we can reduce the light output compared with a lower CRI light source and still feel that they both are creating the same amount of light. The reaction we feel is that the light is more preferable and that the humans are valuing this as a positive change.
When the light is emitted with higher CRI it gives you better contrast with the benefit of the following:
- Simpler to detect small objects, good in precision work.
- Details are more easily seen in fabric, wood and similar
- Lower energy cost
- The people working with better CRI doesn’t feel as tired as in low CRI
Description of CRI in different colour shades
Colour Rendering 3000K
Colour Rendering 4000K
Example of colour spectra
Light source: Fluorescent 4200Kelvin
Example of colour spectra
Light source: Optodrive 4100Kelvin
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Colour Rendering
The colour rendering (CRI) is one of the most important factors to create as pleasant a light as possible for humans
