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Color Rendering Index (CRI) is estimating the capacity of a light source to reproduce the shades of various items like football stadium advertising boards [leddisplay.org] precisely in examination with the daylight. In spite of the fact that there are pundits of the abstract shading delivering practically speaking, the CRI is broadly utilized as an estimation of the nature of the light. Higher CRI relates to better quality light, in scale from 0 to 100.