Hi Jenny, as Anna-Lena said, it would be handy to see your SOOR, if you don't mind.
However, in general terms I can tell you that even though we think of jaundice as "yellow", in technical terms it's actually rather closer to green in colour.
Therefore, you'll find great success using a magenta Photo Filter to combat it.
Here is my quick play with the aforementioned magenta filter, and also a bit of dodging on a dodge and burn layer: