Olympus viewer 2 question

From reading some of the many past posts abt Olympus good JPG vs RAW, it sounds very difficult to replicate the exact Olympus colours with other RAW converters than Oly viewer 2.  Read about one who gave up after hours on the same raw file. I usually really like the Oly colours, metering and WB  (the ones in camera menu that Oly describe as 'natural' colours), out of camera . Like so many other people, I am a little colourblind,  but I still know what I like (and my not colourblind wife and friends agree)