Appender.Console=1,3,0

Пример:

Appender.Console=1,3,0,13 11 9 5 3 1

#                     Colors (read as optional1 if Type = Console)
#                         Format: "fatal error warn info debug trace"
#                         0 - BLACK
#                         1 - RED
#                         2 - GREEN
#                         3 - BROWN
#                         4 - BLUE
#                         5 - MAGENTA
#                         6 - CYAN
#                         7 - GREY
#                         8 - YELLOW
#                         9 - LRED
#                        10 - LGREEN
#                        11 - LBLUE
#                        12 - LMAGENTA
#                        13 - LCYAN
#                        14 - WHITE
#                         Example: "13 11 9 5 3 1"