CieDe2000Comparison of #00FF00 and #FF00FF is over 111

```cs 
new CieDe2000Comparison().Compare(new Hex("00FF00"), new Hex("FF00FF")) == 111.42146743954716;
new CieDe2000Comparison().Compare(new Hex("FF00FF"), new Hex("00FF00")) == 111.42146743954716;
```
Which is too big (over 100).
It's 88.6144 in http://colormine.org/delta-e-calculator/cie2000 