tianny99:Based on the white color-coordinate(x,y), we can obtain a factor of n firstly,
U
ORoj )$I n=(x-0.3320)/(0.1858-y),
G+xdh then, we can calculate CCT(Correlated Color Temperature) as following,
[8Zvs=1 CCT=437*n^3+3601*n^2+6831*n+5517
(2008-07-22 16:05) ~<#!yRy>r