Hi,
I can’t utilize the eye dropper to pick a color un material editor it Crash Unreal everytime 
…
Hello hydeman,
After doing a bit of digging I was able to find that this is a known issue (UE-24871) and that it has been reported to the developers for further consideration. I will provide updates with any pertinent information as it becomes available. Thank you for your time and information.
Make it a great day