logback - Intellij 14 console not respecting ANSI colors -

i have defined color highlighting in logback appender configuration:

<encoder>   <pattern>[%thread] %highlight(%-5level) %cyan(%logger{15}) - %msg %n</pattern> </encoder> 

however, logs in idea intellij 14 console still black , white ansi color not escaped:

[main] [39mdebug[0;39m [36mo.o.x.xmlconfigurator[0;39m - loading configuration xml document  

i use osx 10 (yosemite). how can fix it?