Change ScatterPlot CIs to be Light Gray

[eonofrey]

Summary: As titled, this is more readable that what we currently have. Gray was a little too dark, light gray was a little too light and so we ended up with silver.

Differential Revision: D88268035

[meta-codesync[bot]]

@eonofrey has exported this pull request. If you are a Meta employee, you can view the originating Diff in D88268035.

[codecov-commenter]

Codecov Report

:white_check_mark: All modified and coverable lines are covered by tests. :white_check_mark: Project coverage is 96.52%. Comparing base (1a307c5) to head (0f1d9e7). :warning: Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4620   +/-   ##
=======================================
  Coverage   96.51%   96.52%           
=======================================
  Files         561      561           
  Lines       58020    58020           
=======================================
+ Hits        56000    56001    +1     
+ Misses       2020     2019    -1     

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[meta-codesync[bot]]

This pull request has been merged in facebook/Ax@85ae12a1da743ef5e20616bf3c4014ac6c7d35f1.