Magenta color used for snapshot diffing is nearly unreadable in Git Bash on Windows

[ek68794998]

🐛 Bug Report

In the Bash terminal, snapshot diff text is nearly unreadable compared to other consoles.

To Reproduce

Steps to reproduce the behavior:

• Run a snapshot test that results in a failure (w/ diff).

The outputted text, per the conclusion of #5430 and #9132, is a purple-on-magenta and blue-on-white combination. In PowerShell, this looks great:

But in Bash, it's essentially unreadable:

Even using Chalk's FORCE_COLOR= with values of 1, 2, and 3, there's no change in Bash.

Expected behavior

The diff text should be readable in all consoles, or at the very least, there should be a setting to do something like "only show black text on colored backgrounds" for readability.

Link to repl or repo (highly encouraged)

I'm unable to log in to repl.it to make a repro... I can put one together if needed, but any failing expect().toMatchSnapshot() test would work.

envinfo

  System:
    OS: Windows 10 10.0.19041
    CPU: (24) x64 AMD Ryzen 9 3900X 12-Core Processor
  Binaries:
    Node: 12.22.1 - C:\Program Files\nodejs\node.EXE
    Yarn: 1.22.5 - ~\.yarn\bin\yarn.CMD
    npm: 6.14.12 - C:\Program Files\nodejs\npm.CMD
  npmPackages:
    jest: ^26.6.3 => 26.6.3

[TheJaredWilcurt]

Duplicate. #9459

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