Color Grading for Mobile?

Hi,

I’m developing VR for the Quest at the moment, and the colours look a little off. Usually, i tweek the cam settings to get what i need for the VIVE, but post process doesnt seem to work for this as its an android based system. If i turn on the Mobile HDR feature my project becomes too laggy to use, so is there anyway to adjust the colours without turning this on? A simplified colour adjustment or something?

Thanks