CIE standard illuminants

GPTKB entity

Statements (46)
Predicate Object
gptkbp:instanceOf standard illuminant
gptkbp:application color matching
device calibration
color reproduction
gptkbp:category gptkb:standard
lighting
color science
gptkbp:definedIn gptkb:International_Commission_on_Illumination_(CIE)
gptkbp:firstPublished 1931
https://www.w3.org/2000/01/rdf-schema#label CIE standard illuminants
gptkbp:Illuminant_A tungsten filament light, 2856 K
gptkbp:Illuminant_B direct sunlight, 4874 K (obsolete)
gptkbp:Illuminant_C average daylight, 6774 K (obsolete)
gptkbp:Illuminant_D50 horizon light, 5003 K
gptkbp:Illuminant_D55 mid-morning/mid-afternoon daylight, 5500 K
gptkbp:Illuminant_D65 average daylight, 6504 K
gptkbp:Illuminant_D75 north sky daylight, 7500 K
gptkbp:Illuminant_E equal energy spectrum
gptkbp:Illuminant_F1 daylight fluorescent lamp
gptkbp:Illuminant_F10 tungsten lamp
gptkbp:Illuminant_F11 TL84 fluorescent lamp
gptkbp:Illuminant_F12 TL83 fluorescent lamp
gptkbp:Illuminant_F2 cool white fluorescent lamp
gptkbp:Illuminant_F3 warm white fluorescent lamp
gptkbp:Illuminant_F4 warm white fluorescent lamp (deluxe)
gptkbp:Illuminant_F5 daylight fluorescent lamp (deluxe)
gptkbp:Illuminant_F6 lite white fluorescent lamp
gptkbp:Illuminant_F7 broad-band daylight fluorescent lamp
gptkbp:Illuminant_F8 narrow-band daylight fluorescent lamp
gptkbp:Illuminant_F9 cool white fluorescent lamp (deluxe)
gptkbp:includes Illuminant A
Illuminant B
Illuminant C
Illuminant D series
Illuminant E
Illuminant F series
gptkbp:purpose to provide standard light sources for color measurements
gptkbp:relatedTo gptkb:CIE_chromaticity_diagram
gptkb:CIE_1931_color_space
spectral power distribution
gptkbp:standardizedBy CIE Publication 15
gptkbp:usedIn photometry
colorimetry
color science
gptkbp:bfsParent gptkb:International_Commission_on_Illumination_(CIE)
gptkbp:bfsLayer 7