color rendering index

GPTKB entity

Statements (17)
Predicate Object
gptkbp:instanceOf gptkb:Metric
gptkbp:abbreviation gptkb:CRI
gptkbp:appliesTo artificial light sources
gptkbp:definedIn gptkb:International_Commission_on_Illumination_(CIE)
gptkbp:higher_value_indicates better color rendering
gptkbp:introduced 1965
gptkbp:maximumCategory 100
gptkbp:measures color rendering ability of a light source
gptkbp:not_measures color discrimination
color preference
gptkbp:reference_illuminant blackbody radiator or daylight
gptkbp:relatedTo fidelity of color appearance
gptkbp:replacedBy IES TM-30-15 (in some contexts)
gptkbp:size 0 to 100
gptkbp:used_in lighting industry
gptkbp:bfsParent gptkb:CIE_13.3-1995
gptkbp:bfsLayer 7