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Optical Properties TestColors

Color Coordinate

Applicable Standard

  • KS A 0061 Specification of colours according to the CIE 1931 standard colorimetric system and the CIE 1964 supplementary standard colorimetric system
  • KS A 0066 Method of measurement for colour of reflecting or transmitting objects
  • ASTM E 308 Computing the Colors of Objects by Using the CIE System
  • JIS Z 8701 The CIE 1931 standard colorimetric system and the CIE 1964 supplementary standard colorimetric system
  • KS A 0067 Colour specification-CIE LAB and CIE LUV colour spaces
  • ISO 13837 Method for the determination of solar transmittance
  • KS A 0063 Colour specification
  • ASTM E313 Calculating Yellowness and White Indices from Instrumentally Measured Color Coordinates

Equipment and Tools


Test Items
  • X Y Z
  • Y x y
  • CIE L* a* b*
  • Hunter L a b
  • Dominant Wavelength
  • Purity
  • Whiteness Index
  • Yellowness Index

How to Measure

Measure spectrum in the range between 380nm and 780nm, which is the visible rays area, using a UV-VIS-NIR Spectrophotometer and calculate color values according to the standards.

Sample Size

Larger than 5cm(W) x 5cm(L)

Applicable field

Specification and color of products

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