[jira] [Updated] (LOG4J2-3538) Add support for 24 colors for highlighting

["Pavel_K (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LOG4J2-3538?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Pavel_K updated LOG4J2-3538:
----------------------------
    Issue Type: Improvement  (was: Bug)

> Add support for 24 colors for highlighting
> ------------------------------------------
>
>                 Key: LOG4J2-3538
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-3538
>             Project: Log4j 2
>          Issue Type: Improvement
>            Reporter: Pavel_K
>            Priority: Major
>
> Currently for highlighting in pattern layout we have only 16 colors, for example:
> {code:java}
>  <PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss.SSS} %highlight{[%level]}{FATAL=red bright} [%t] %logger{36} - %msg%n" disableAnsi="false"/>
> {code}
> At the same time true colors in SGR function are also [supported|https://en.wikipedia.org/wiki/ANSI_escape_code#24-bit]. So, I suggest to add support of this colors, for example this way:
> {code:java}
>  <PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss.SSS} %highlight{[%level]}{FATAL=#ff0000} [%t] %logger{36} - %msg%n" disableAnsi="false"/>
> {code}
> and generated code should be:
> {code:java}
> ESC[38;2;255;0;0m
> {code}



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