I've noted this in the 170/190 personally and witnessed it in a stream of the 195.
The PFD speed scale warning/caution colouring seems to be working off the prediction line as opposed to the current IAS.
See below, the speed window has gone reverse video red despite not entering the low-speed awareness nor overspeed tape, however the prediction line has entered the overspeed tape.
I'm afraid I don't have an AFM to reference but this video (https://www.youtube.com/watch?v=PQEezXiJg10&t=34s) looks to be an Embraer training video and demonstrates the correct behaviour:
You can see the speed window colour only changes based on the actual IAS not the prediction line.
As a second issue the the reverse video for overspeed/red stick shaker region should be white text on a red background, currently the text remain black.
Cheers