Steps to Reproduce

Similator set to iPhone 14 Pro, iOS 16.2
real phone is iPhone 13 Pro, iOS 16.2
In channel master as of 2023-Feb-08

1. On a Mac

   git clone --filter=blob:none https://github.com/flutter/samples.git`
   cd samples/form_app
   open -a Simulator
   flutter run
   

2. In the app pick 'autofill'

3. In the name field type a name

4. Select the name and tap the selection

Expected results:

a context menu with some contrast that makes it clear it's separate from the content

Actual results:

a context menu with low contrast such that it fades into the content.