Older CIE Standards
Colour matching functions
CIE 1931 2-deg, XYZ CMFs ![](icons/infonew.jpg)
CIE 1964 10-deg, XYZ CMFs ![](icons/infonew.jpg)
Chromaticity coordinates
CIE 1931 2-deg xyz chromaticity coordinates ![](icons/infonew.jpg)
CIE 1964 10-deg chromaticity xyz coordinates ![](icons/infonew.jpg)
Luminous efficiency functions
CIE (1924) Photopic V(λ) ![](icons/infonew.jpg)
CIE (1951) Scotopic V'(λ) ![](icons/infonew.jpg)
Standard illuminants
CIE Illuminant A
CIE Illuminant D65