CIE standard illuminant D50
E543993
CIE standard illuminant D50 is a standardized light source representing average midday daylight with a correlated color temperature of about 5000 K, commonly used as a reference for color-critical applications such as printing and graphic arts.
All labels observed (1)
| Label | Occurrences |
|---|---|
| CIE standard illuminant D50 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5767953 — 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.
Target entity: CIE standard illuminant D50 Context triple: [CIE standard illuminant D65, hasRelatedIlluminant, CIE standard illuminant D50]
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A.
CIE standard illuminant D65
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.
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B.
Licht
Licht is Karlheinz Stockhausen’s monumental seven-opera cycle, each part associated with a day of the week and combining music, theater, and spirituality into one of the most ambitious works of 20th-century avant-garde music.
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C.
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.
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D.
sRGB
sRGB is a standard RGB color space widely used for digital images, displays, and the web to ensure consistent color reproduction across devices.
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E.
Chroma
Chroma is a 1994 experimental book by filmmaker and artist Derek Jarman that blends memoir, theory, and meditation in a series of poetic reflections on color, vision, and his experience of AIDS-related blindness.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: CIE standard illuminant D50 Target entity description: CIE standard illuminant D50 is a standardized light source representing average midday daylight with a correlated color temperature of about 5000 K, commonly used as a reference for color-critical applications such as printing and graphic arts.
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A.
CIE standard illuminant D65
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.
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B.
CIE 1931 XYZ
CIE 1931 XYZ is a foundational color space defined by the CIE that models human color perception using three tristimulus values (X, Y, Z) and underpins much of modern color science and colorimetry.
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C.
International Commission on Illumination
The International Commission on Illumination (CIE) is the global authority on light, illumination, color, and color spaces, responsible for developing internationally recognized standards and recommendations in these fields.
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D.
Licht
Licht is Karlheinz Stockhausen’s monumental seven-opera cycle, each part associated with a day of the week and combining music, theater, and spirituality into one of the most ambitious works of 20th-century avant-garde music.
-
E.
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.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
CIE standard illuminant
ⓘ
daylight illuminant ⓘ standard illuminant ⓘ |
| abbreviation | D50 ⓘ |
| approximatePlanckianTemperature | ~5000 K ⓘ |
| associatedStandard |
ISO 12647
NERFINISHED
ⓘ
ISO 3664 NERFINISHED ⓘ |
| belongsToSeries | CIE D-series daylight illuminants NERFINISHED ⓘ |
| CIE1931WhitePoint | (x=0.34567, y=0.35850) ⓘ |
| CIE1931xyChromaticity_x | 0.34567 ⓘ |
| CIE1931xyChromaticity_y | 0.35850 ⓘ |
| CIE1964uvChromaticity_u | 0.34773 ⓘ |
| CIE1964uvChromaticity_v | 0.35952 ⓘ |
| correlatedColorTemperature | 5000 K ⓘ |
| correlatedColorTemperatureApprox | 5003 K ⓘ |
| definedAs | standard daylight with correlated color temperature of approximately 5000 K ⓘ |
| definedBy | International Commission on Illumination NERFINISHED ⓘ |
| hasCategory |
color science standard
ⓘ
lighting standard ⓘ |
| hasSpectralRange | typically 300–780 nm ⓘ |
| isPartOf | CIE system of colorimetry NERFINISHED ⓘ |
| isReferenceFor |
paper white in printing
ⓘ
standard viewing booths for prints ⓘ |
| referenceMedium | daylight viewing booths ⓘ |
| relatedIlluminant |
CIE standard illuminant D55
NERFINISHED
ⓘ
CIE standard illuminant D65 NERFINISHED ⓘ |
| represents | average midday daylight ⓘ |
| spectralPowerDistributionType | daylight ⓘ |
| standardizedIn |
CIE 15:2004
NERFINISHED
ⓘ
CIE Publication 15 NERFINISHED ⓘ |
| typicalUse |
ICC profile reference illuminant
ⓘ
color management ⓘ color proofing ⓘ graphic arts ⓘ printing industry ⓘ viewing conditions for hardcopy proofs ⓘ |
| usedAsReferenceFor |
color-critical applications
ⓘ
colorimetric measurements ⓘ device characterization ⓘ |
| usedAsViewingCondition | softproof to hardcopy comparison ⓘ |
| usedByIndustry |
graphic design
ⓘ
packaging and branding ⓘ photography ⓘ printing ⓘ |
| usedInColorSpaceDefinition |
CIELAB
NERFINISHED
ⓘ
CIELUV NERFINISHED ⓘ ICC PCS (Profile Connection Space) NERFINISHED ⓘ |
| whitePointType | daylight white point ⓘ |
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.
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.
Subject: CIE standard illuminant D50 Description of subject: CIE standard illuminant D50 is a standardized light source representing average midday daylight with a correlated color temperature of about 5000 K, commonly used as a reference for color-critical applications such as printing and graphic arts.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.