How To Change Your Python IDLE Themes

Depending on what type of Project am doing, sometimes I use PyCharm for developing some projects and sometimes I like using the default Python IDLE3, The default comes with a White Background and not good for writing programs in the Night sometimes, And for any one who wishes to change his default Theme Color, You Can Customize it based on your Choice and you can use this Theme am going to share with you.

How To Change Python IDLE Themes

Note: Make Sure you close your IDLE

  • For Linux Users, Open Your Terminal and type

cd ./idlerc

  • After That Just use gedit for easy way not complicating things for other people, By typing

gedit config-highlight.cfg

  • After that copy this piece of code and paste it just above all the code,

[Obsidian] definition-foreground = #678CB1
error-foreground = #FF0000
string-background = #293134
keyword-foreground = #93C763
normal-foreground = #E0E2E4
comment-background = #293134
hit-foreground = #E0E2E4
builtin-background = #293134
stdout-foreground = #678CB1
cursor-foreground = #E0E2E4
break-background = #293134
comment-foreground = #66747B
hilite-background = #2F393C
hilite-foreground = #E0E2E4
definition-background = #293134
stderr-background = #293134
hit-background = #000000
console-foreground = #E0E2E4
normal-background = #293134
builtin-foreground = #E0E2E4
stdout-background = #293134
console-background = #293134
stderr-foreground = #FB0000
keyword-background = #293134
string-foreground = #EC7600
break-foreground = #E0E2E4
error-background = #293134

  • Then open your IDLE and go to Options > Highlight Tab > Custom Theme > Check the boxes under it and you will see Obsidian
  • Apply and Enjoy 🙂
  • For Windows Users: Browse Through C:\Users\AppData\Local\Programs\Python\Python35-32\Lib\idlelib\config-highlight.def
  • And edit it using Notepad and adding the code above and saving it.
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