Studio Command - Calibrating Colors

I have 4 Studio Commands. I just cross-loaded the software to fix a strobe rate issue. However, I have an issue (existed before the upgrade) with the colors between the 4 units. There are two older ones and two newer ones. The colors seem very different on them (ie red on two of them is more of a pink and on the other two is more of an orange). Is there a way to calibrate the flags on the fixtures themselves? Or do I have to just play with the hue when recording palettes on my Hog3?
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