A standard illuminant is a theoretical source of visible light with a spectral power distribution that is published. Standard illuminants provide a basis...

os(h)\\b&=C\sin(h)\end{aligned}}} Converting from CIE XYZ with a Standard Illuminant D65 involves: Converting to an LMS color space with a linear map:...

natural or standard light source. Color rendering, as defined by the International Commission on Illumination (CIE), is the effect of an illuminant on the...

of a standard illuminant (e.g. Illuminant A, Iluminant C, or Illuminant E). The luminous transmittance with respect to the standard illuminant is defined...

to a reference white, for which the CIE recommends the use of CIE Standard illuminant D65. D65 is used in the vast majority of industries and applications...

experimental standards to be used in both editions of the test, others are fluid and merely require consistency from test to test. Illuminants are unique...

incorrect to refer to this as "D63" as this white point is not a CIE standard illuminant, and is not on the Planckian locus. Instead, the white point is slightly...

lamp (corresponding to International Commission on Illumination standard illuminant A). Visual inspection is the most frequent method used in the United...

red primary and changing the white point to match that of the CIE Standard Illuminant D50 (though that will also change the primaries and is thus pointless)...

less. The surround light should be 5 cd/m2 and be neutral grey at standard illuminant D65. Within each set, the documented transfer functions include an:...