The main problem is garish colors. If colors were a bit more subdued, the text would've been just as easy to read. That applies to code as well: bright red lett

The main problem is garish colors. If colors were a bit more subdued, the text would've been just as easy to read. That applies to code as well: bright red letters on black background are extremely distracting, dark purple letters on white background are not at all distracting.