Originally Posted by fight4yu
Your luminance is off. Use this table for your reference. For Y, it is the % of White. In your case, If White Y=113.426, then your Green Y should be 0.7152*113.426 = 81.12 (you have about 87)
Blue Y should be 0.0722*113.426 = 8.19. (you have about 10.7)
Red Y should be 0.2126*113.426 = 24.11 (you have about 23.226)
So, you are about 10% too bright in Green, and about 20% too dim in Blue (hence the large DeltaE).
Those percentages are only correct if your primaries have perfect chromaticity (x,y). If not (99% of displays on the market) you need to compensate for any over/underage of saturation (and hue.) (Not to mention colorimeter crosstalk.) Minimizing dLuma will not always get to you the right answer.
In short, you can't correct just
the polar origin point (D65 White) and not correct the remaining 99.9999% of color pallet. IOW, there is a reason why color filters have been used to set color/tint for decades
... think about it. If it turns out that your D65 White point actually contains 24% Red, 69% Green, 7% Blue then that's what you target, otherwise you no longer have a linear transformation.
Colorimeters are useful ... they can also be misused a/o misinterpreted.
The safest method is to use filters for all three colors. Get color/tint setting for Blue, Red, Green ... they will no doubt be different for each color. Once you have the settings for each color, simply take the average (mean) color setting and tint setting. This will get you to the optimum color/tint setting way faster than flailing around with a colorimeter. Then, if you have a working CMS and colorimeter/spectro, you can proceed to tinker further.
Note 1: You need a more robust color decoder pattern like the one from the AVS HD709 disk to get the best results from this method. The standard SMPTE style color-bar pattern is not the best choice here. Oh, normal color vision helps too.
Note 2: If you have to make a choice, it's better to optimize the Green-Yellow-Red side of the gamut triangle.
Edit: I suspect that I may not have explained things clearly enough ... go easy and try to clarify any misunderstandings ... engaging flame mode will get us nowhere.