Its only going to be gray by default. Showing car color would be distracting to the information provided and would need to be coded car to car. Not cost effective.
Someone who knows code in and out, could probably find a way to hack it. For that matter, I would like my image to be M-Sport specific in every image including the Sport/Eco Pro and Sport+ screens.
'98 Dinan/RMS stage 2+(VAC cams, CES Cutring etc)
'15 Buick Regal "T"(wife)
'06 Saab 9-5 Combi 5mt tuned(Aero interior/Konis etc)