Background color is slightly different in Carbon theme

Description of the bug
I don’t know this is only me, but in my app, colours slightly differs in various sections

App & Version
macOS desktop app v3.1.0 (ARM)

there was no issue in web version.

Steps to reproduce

  1. set app theme as Carbon
  2. scale window to enable mobile UI
  3. then some colours are slightly different

Screenshots / Screen Recording


(upside: #101011 / downside: #0c0e10)