Change of colors on MMI and AID (background light)

Hello, guys

I have an Octavia MK3 2015y (model 2016 year), recently I installed Columbus MIB 2.5 and a 9.2" display, for now everything works as it should :).
Can someone help me to make a different color on the mmi display and on the small central aid screen?
I tried to do it myself to get the colors for the background lighting, but the gray color is just displayed. I don't nead to have all colors, one color for background lighting (red or green) would be enough.
If someone had a similar experience and managed to do it, I would be very grateful for your help. Thanks in advance.