Both are D805, the only difference is that mine is gold and it's not. I use cloudy g3 and he kk 4.4.2, both were compared with the maximum brightness. I am very sad because this has happened with a optimus g I had.
Is that standard screens or is there some program that solves this? I've seen that has some programs that edit the color palette of the device type the "trickster mod" but do not know if I could resolve and I'm afraid to try.
In galaxy s3 / 4 has image mode (movie, dynamic, standard, etc.), if this unit had that could be the solution.
I took pictures for you to see the difference:
It seems silly but when we were stirring each in his cell that I compare with him quickly becomes very clear the difference.