Colour Rendering Index
CRI or Colour Rendering Index refers to the ability of a light source to show the true colours of an object relative to their natural colour in daylight. CRI is measured on a scale from 0 to 100, with 100 representing true colour. High CRI ratings are incredibly important for industries that rely on true colour such as fruit plantations, vehicle painting and even the medical industry.
CRI Example As shown in these images, a higher CRI rating of 90 shows vibrant and clear colour compared to the image on the far left which has a rating of 30. The amount of light shining on the objects is the same, but the difference in CRI rating means one image is dull and lacking in true colour and the other is vibrant and closer to daylight representation.