The program becomes harder to read (at least on my particular monitor) after upgrading.

Any way to change font Color to darker color and/or Type to thicker stroke (like B in this question editor) for IDE 1.5.6r2?

  • Sounds like what you need is a fully theme-able IDE. Why not give UECIDE a go? – Majenko Sep 27 '14 at 13:15


Under the file menu select the preferences. From this you can find and than view/edit the preferences.txt file, which has the color settings.

Example preferences.txt

  • I log on as Admin (Win7) but cannot save the edit due to "access deny". Checked the property and 'ticked' for read, write and full control. – EEd Sep 27 '14 at 15:31
  • Solved. The one to change is C:\Users\username\AppData\Roaming\Arduino15\preferences.txt – EEd Sep 27 '14 at 17:58
  • 1
    In 1.6.0, or 1.6.1 it does not seem to be possible to change console.color or console.error.color. To be precise, you can change the settings in the preferences.txt file, but they appear to be ignored. Have these become hard coded? Orange text on black is just horrific to read. See How do I change the Console colour of Arduino IDE? – Greenonline Mar 17 '15 at 18:42
  • The link is broken (Google Code was shut down). – Peter Mortensen Mar 11 '18 at 2:05
  • What about the thicker stroke? What should e.g. editor.font=Monospaced,plain,16 be replaced with (supposedly plain with something else)? – Peter Mortensen Mar 11 '18 at 2:08

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