CIE 1931 XYZ

E543065

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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Observed surface forms (1)

Surface form Occurrences
CIE 1931 chromaticity diagram 1

Statements (54)

Predicate Object
instanceOf CIE color space
color space
tristimulus color space
abbreviationOf Commission Internationale de l’Éclairage 1931 XYZ color space NERFINISHED
assumesIlluminant standard illuminant
basedOn CIE 1931 standard observer NERFINISHED
commonlyUsedIlluminant CIE standard illuminant A NERFINISHED
CIE standard illuminant D50 NERFINISHED
CIE standard illuminant D65 NERFINISHED
coordinateSystemType linear color space
definedBy International Commission on Illumination NERFINISHED
domain visible spectrum
hasChromaticityCoordinates x
y
z
hasComponent X
Y
Z
hasFunction color matching function
hasPrimary X primary
Y primary
Z primary
hasTristimulusValue X tristimulus value
Y tristimulus value
Z tristimulus value
isDeviceIndependent true
isLinearIn tristimulus values
mathematicallyRelatedTo RGB color spaces
primaryType imaginary primaries
property additive color mixing
linear with respect to radiometric power
relatedStandard CIE 1931 2° standard observer NERFINISHED
underpins Adobe RGB color space NERFINISHED
CIE 1931 xy chromaticity diagram NERFINISHED
CIE L*a*b* color space NERFINISHED
CIE L*u*v* color space NERFINISHED
CIE xyY color space NERFINISHED
Rec. 2020 color space NERFINISHED
Rec. 709 color space NERFINISHED
sRGB color space NERFINISHED
usedFor color management
color measurement
color specification
colorimetry
usedIn camera characterization
display calibration
printing workflows
usesColorMatchingFunctions CIE 1931 color matching functions NERFINISHED
usesObserver 2-degree standard observer
usesQuantity tristimulus value
XRepresents red–green opponent content (non-physiological)
yearIntroduced 1931
YRepresents luminance
ZRepresents blue–yellow opponent content (non-physiological)

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

Rec. 2020 coordinateSystem CIE 1931 XYZ
this entity surface form: CIE 1931 chromaticity diagram