Geoff the kiwi wrote:
How does the OP's green/magenta colouring equate to your stated red/cyan?
Let us see what is produced if the OP sets sRGB as the monitor profile.
How would setting the Monitor profile to sRGB change what PS is doing to a grey scale image brought to it from LR?
I for one would never change my Monitor Profile to sRGB. That would defeat the calibration I have done.