This is a RubyMine color theme (maybe also available for IntelliJ?).
This bases on RubyMine original RailsCasts theme, just set everything brighter.
This has two branch for two different fonts - Consolas & "文泉驿等宽微米黑".
Home page of "文泉驿": [http://wenq.org/]
Download page of "文泉驿微米黑" (includes "文泉驿等宽微米黑"): [http://wenq.org/index.cgi?MicroHei]