IntelliJ IDEA 2017 version edit page eye protection settings

Personally, I feel that the default theme of IDEA is not very good for the eyes, so I still use the normal frame. I suggest that you increase the font size (15 is fine), and it looks comfortable. I changed the background color of the code to protect the eyes, so that It's good for the eyes, just go to the picture above, let's set it in the setting (Ctrl+Alt+S). 

 

After clicking the sixth step, set the parameters of the eye protection mode:

                                                             

 
  According to the above R, G, B values, set the eye protection color.