Current IntelliJ IDEA versions come bundled with 3 themes:
- IntelliJ (default light theme)
- Darkula (dark theme)
- High contrast (accessibility theme)
The Darcula theme is available as a standalone open source project and can be reused in your own applications.
Original answer from 2011:
By default, IDEA uses Alloy Look & Feel . This is a commercial L&F, and it is already quite old and without updates. One of the main problems is that it does not support anti-aliasing on most platforms.
Therefore, for Windows, I would recommend using Windows L & F. For Mac, IDEA already uses Macs specific to L & F. Alloy can only be worth it on Linux, where most other L & Fs look very ugly, although GTK may be the best choice.
CrazyCoder
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