CIE standard illuminant D65
E127258
CIE standard illuminant D65 is a standardized representation of average daylight with a correlated color temperature of about 6500 K, widely used as a reference white point in colorimetry and imaging systems.
All labels observed (5)
| Label | Occurrences |
|---|---|
| CIE standard illuminant D65 canonical | 2 |
| Adobe RGB (1998) white point | 1 |
| CIE D-series | 1 |
| CIE standard illuminant | 1 |
| Rec. 2020 white point | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1096541 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: CIE standard illuminant D65 Context triple: [sRGB, whitePoint, CIE standard illuminant D65]
-
A.
sRGB
sRGB is a standard RGB color space widely used for digital images, displays, and the web to ensure consistent color reproduction across devices.
-
B.
CIE
CIE is the post-nominal abbreviation for a Companion of the Order of the Indian Empire, a British order of chivalry established during the period of the British Raj.
-
C.
Luce
Luce is a surname most notably associated with Henry Luce, the influential American magazine magnate and co-founder of Time Inc.
-
D.
Luma
Luma is a small, star-shaped celestial creature from the Super Mario series, known for its cute appearance and connection to Rosalina and the cosmos.
-
E.
Illumination
Illumination is an American animation studio best known for creating the Despicable Me franchise and other popular family-oriented animated films.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: CIE standard illuminant D65 Target entity description: CIE standard illuminant D65 is a standardized representation of average daylight with a correlated color temperature of about 6500 K, widely used as a reference white point in colorimetry and imaging systems.
-
A.
sRGB
sRGB is a standard RGB color space widely used for digital images, displays, and the web to ensure consistent color reproduction across devices.
-
B.
CIE
CIE is the post-nominal abbreviation for a Companion of the Order of the Indian Empire, a British order of chivalry established during the period of the British Raj.
-
C.
Luce
Luce is a surname most notably associated with Henry Luce, the influential American magazine magnate and co-founder of Time Inc.
-
D.
Luma
Luma is a small, star-shaped celestial creature from the Super Mario series, known for its cute appearance and connection to Rosalina and the cosmos.
-
E.
Illumination
Illumination is an American animation studio best known for creating the Despicable Me franchise and other popular family-oriented animated films.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
reference white point
ⓘ
standard illuminant ⓘ |
| abbreviationOf | Daylight 6500 K ⓘ |
| approximates | noon daylight in Western Europe ⓘ |
| definedBy | International Commission on Illumination ⓘ |
| hasApplicationDomain |
colorimetry
ⓘ
display technology ⓘ graphic arts ⓘ imaging technology ⓘ |
| hasCategory |
CIE standard illuminant D65
self-linksurface differs
ⓘ
surface form:
CIE standard illuminant
|
| hasChromaticityCoordinatesSystem | CIE 1931 xy ⓘ |
| hasChromaticityCoordinateX | 0.3127 ⓘ |
| hasChromaticityCoordinateY | 0.3290 ⓘ |
| hasColorRenderingUse | reference for color rendering evaluation ⓘ |
| hasCorrelatedColorTemperature |
approximately 6500 K
ⓘ
approximately 6504 K ⓘ |
| hasExactCorrelatedColorTemperature | 6504 K ⓘ |
| hasIlluminantSeries |
CIE standard illuminant D65
self-linksurface differs
ⓘ
surface form:
CIE D-series
|
| hasNominalCorrelatedColorTemperature | 6500 K ⓘ |
| hasPhysicalRealization | approximated by daylight-simulating lamps ⓘ |
| hasRelatedIlluminant |
CIE standard illuminant D50
ⓘ
CIE standard illuminant D55 ⓘ CIE standard illuminant D75 ⓘ |
| hasRelativeTristimulusX | 0.95047 ⓘ |
| hasRelativeTristimulusY | 1.00000 ⓘ |
| hasRelativeTristimulusZ | 1.08883 ⓘ |
| hasSpectralPowerDistributionRange | 300 nm to 830 nm ⓘ |
| hasSymbol | D65 ⓘ |
| hasTristimulusValuesSpace | CIE 1931 XYZ ⓘ |
| hasType | daylight illuminant ⓘ |
| hasWhitePointRole | standard observer white for many color spaces ⓘ |
| isDefinedIn |
CIE Publication 15
ⓘ
surface form:
CIE 15:2004
CIE Publication 15 ⓘ |
| isReferenceFor |
CIE standard illuminant D65
self-linksurface differs
ⓘ
surface form:
Adobe RGB (1998) white point
CIE standard illuminant D65 self-linksurface differs ⓘ
surface form:
Rec. 2020 white point
sRGB ⓘ
surface form:
Rec. 709 white point
many digital camera color spaces ⓘ monitor calibration targets ⓘ sRGB color space white point ⓘ |
| represents | average daylight ⓘ |
| usedAs |
reference illuminant in colorimetry
ⓘ
reference white in ICC color management ⓘ reference white in display calibration ⓘ reference white in imaging systems ⓘ |
| usedIn |
computer graphics rendering
ⓘ
photography color workflows ⓘ printing industry color standards ⓘ television and video standards ⓘ visual color matching experiments ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: CIE standard illuminant D65 Description of subject: CIE standard illuminant D65 is a standardized representation of average daylight with a correlated color temperature of about 6500 K, widely used as a reference white point in colorimetry and imaging systems.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
CIE standard illuminant D65
→
hasIlluminantSeries
→
CIE standard illuminant D65
self-linksurface differs
ⓘ
this entity surface form:
CIE D-series
CIE standard illuminant D65
→
isReferenceFor
→
CIE standard illuminant D65
self-linksurface differs
ⓘ
this entity surface form:
Adobe RGB (1998) white point
CIE standard illuminant D65
→
isReferenceFor
→
CIE standard illuminant D65
self-linksurface differs
ⓘ
this entity surface form:
Rec. 2020 white point
this entity surface form:
CIE standard illuminant