User defined illuminants in PM5

The Viewing Light Source option allows user defined illuminant into the generated profile.  Such option is only available when spectral data are used as reference set.

Referring to the followings.
All ΔEs are color differences with respect to the reference data. In general, profile generated with D65 viewing light source option has better skin tone reproduction.
                           ΔE2000
              D8     F7     G8     H8     F2
*D50-D50     1.98   2.23   1.90   1.84   2.73  
*D65-D50     1.48   0.77   0.47   1.07   1.95

*D50-D65     3.50   3.62   3.31   3.26   4.47
*D65-D65     2.81   1.99   1.60   2.38   3.47

*(profiled with D50/D65 viewing option)-(compared under D50/D65 illuminant) 

Compared with illumnant set to D50



Compared with illumnant set to D65