Standard

ISO 11664-4:2008 en

Colorimetry - Part 4: CIE 1976 L*a*b* Colour space

  • This norm is withdrawn since 01-06-2019

49,02 59,31 Incl BTW

About norm

Status Withdrawn
Number of pages 7
Committee Verlichting
Published on 01-11-2008
Language English
This CIE Standard specifies the method of calculating the coordinates of the CIE 1976 L*a*b* colour space including correlates of lightness, chroma and hue. It includes two methods for calculating Euclidean distances in this space to represent the perceived magnitude of colour differences. The Standard is applicable to tristimulus values calculated using colour-matching functions of the CIE 1931 standard colorimetric system or the CIE 1964 standard colorimetric system. The Standard may be used for the specification of colour stimuli perceived as belonging to a reflecting or transmitting object, where a three-dimensional space more uniform than tristimulus space is required. It does not apply to colour stimuli perceived as belonging to an area that appears to be emitting light as a primary light source, or that appears to be specularly reflecting such light. This Standard does apply to self-luminous displays, like cathode ray tubes, if they are being used to simulate reflecting or transmitting objects and if the stimuli are appropriately normalized.

Details

ICS-code 17.180.20
Dutch title Kleurmeting - Deel 4: CIE 1976 L*a*b Kleur ruimte
English title Colorimetry - Part 4: CIE 1976 L*a*b* Colour space
Replaces
Replaced by

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