Is it a problem for you in using 16 bit colour?
Many people are unable to discern between the two.
If you find it OK at the 16 bit setting, probably best to leave it. The more you fiddle with it, the more likely it will go wrong.
How to watch the World Cup for free on TV and online
Best of the Grad Shows 2018: Middlesex University art, illustration and graphic design
Best Mac tips, tricks and timesavers
Comment identifier le modèle de son iPad ?