Columns
The CIE 1961 chromaticity coordinates are related to the CIE 1964 10-deg XYZ CMFs (CIE, 1932) by
 
 
 
where ,
,
and 
 are the chromaticity coordinates, and 
,
 and 
 are the CMFs.
For more details refer to the CIE 1964 10 deg CMFs page.