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https://issues.apache.org/jira/browse/LOG4J2-3538?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17556036#comment-17556036
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ASF subversion and git services commented on LOG4J2-3538:
---------------------------------------------------------
Commit f70802305aab9479b94b236e535a9b4177e14e09 in logging-log4j2's branch
refs/heads/release-2.x from PashaTurok
[ https://gitbox.apache.org/repos/asf?p=logging-log4j2.git;h=f70802305a ]
LOG4J2-3538 Added support for 24 colors in highlighting (#933)
Adds support for 24-bit colors in `HighlightConverter`.
> 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
> Fix For: 2.18.0
>
>
> 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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