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https://issues.apache.org/jira/browse/APEXCORE-558?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15729663#comment-15729663
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David Yan commented on APEXCORE-558:
------------------------------------

[~sanjaypujare] I can assure you that there are more than 1% of the users who 
use a dark background on a terminal that find the yellow foreground color OK. :)

Since this does pose a problem for users with a white background, I'd vote for 
removing color altogether and just use bold or italics, and if macOS terminal 
does not support bold/italics, it's not the end of the world for those users 
because they can still read the text.

If we must use color, we can use what git-diff uses by default, which is 0;32 
(green) for addition and 0;31 (red) for removal, and I hope we don't end up 
using red.


> Do not use yellow color to display command strings in help output
> -----------------------------------------------------------------
>
>                 Key: APEXCORE-558
>                 URL: https://issues.apache.org/jira/browse/APEXCORE-558
>             Project: Apache Apex Core
>          Issue Type: Bug
>         Environment: MacOS, Linux
>            Reporter: Sanjay M Pujare
>            Priority: Minor
>
> Apex CLI Help output (at least on MacOS and Linux terminals) shows command 
> strings in yellow which is extremely hard to read and reduces usability of 
> the CLI. Should be changed to red or purple or just be bolded in black.
> In the following output "alias" and "begin-macro" are in yellow and hard to 
> read.
> apex> help
> GLOBAL COMMANDS EXCEPT WHEN CHANGING LOGICAL PLAN:
> alias alias-name command
>       Create a command alias
> begin-macro name
>       ....



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