Like I said, you can use Cherry switches, you just can't use the Cherry LEDs.
Kailh:
More
(http://www.kailh.com/upfile/image/56.jpg)
Cherry:
More
(http://assets.hardwarezone.com/img/2013/12/Cherry_MXRGBRed_News.jpg)
From the diagrams you can see that Cherry RGB switches do not have an LED cutout, however regular Cherry switches will work with the Kailh LEDs (actually not positive about that).