Edit File: config-highlight.def
# IDLE reads several config files to determine user preferences. This # file is the default config file for idle highlight theme settings. [IDLE Classic] normal-foreground= #000000 normal-background= #ffffff keyword-foreground= #ff7700 keyword-background= #ffffff builtin-foreground= #900090 builtin-background= #ffffff comment-foreground= #dd0000 comment-background= #ffffff string-foreground= #00aa00 string-background= #ffffff definition-foreground= #0000ff definition-background= #ffffff hilite-foreground= #000000 hilite-background= gray break-foreground= black break-background= #ffff55 hit-foreground= #ffffff hit-background= #000000 error-foreground= #000000 error-background= #ff7777 #cursor (only foreground can be set, restart IDLE) cursor-foreground= black #shell window stdout-foreground= blue stdout-background= #ffffff stderr-foreground= red stderr-background= #ffffff console-foreground= #770000 console-background= #ffffff [IDLE New] normal-foreground= #000000 normal-background= #ffffff keyword-foreground= #ff7700 keyword-background= #ffffff builtin-foreground= #900090 builtin-background= #ffffff comment-foreground= #dd0000 comment-background= #ffffff string-foreground= #00aa00 string-background= #ffffff definition-foreground= #0000ff definition-background= #ffffff hilite-foreground= #000000 hilite-background= gray break-foreground= black break-background= #ffff55 hit-foreground= #ffffff hit-background= #000000 error-foreground= #000000 error-background= #ff7777 #cursor (only foreground can be set, restart IDLE) cursor-foreground= black #shell window stdout-foreground= blue stdout-background= #ffffff stderr-foreground= red stderr-background= #ffffff console-foreground= #770000 console-background= #ffffff [IDLE Dark] comment-foreground = #dd0000 console-foreground = #ff4d4d error-foreground = #FFFFFF hilite-background = #7e7e7e string-foreground = #02ff02 stderr-background = #002240 stderr-foreground = #ffb3b3 console-background = #002240 hit-background = #fbfbfb string-background = #002240 normal-background = #002240 hilite-foreground = #FFFFFF keyword-foreground = #ff8000 error-background = #c86464 keyword-background = #002240 builtin-background = #002240 break-background = #808000 builtin-foreground = #ff00ff definition-foreground = #5e5eff stdout-foreground = #c2d1fa definition-background = #002240 normal-foreground = #FFFFFF cursor-foreground = #ffffff stdout-background = #002240 hit-foreground = #002240 comment-background = #002240 break-foreground = #FFFFFF