How To Change Ckeditor Icons Color

Very simple, I want to change the icons used in ckeditor from black to white as the menu will be on a dark background ... I have already spent some-time trying to alter the CCS but

Solution 1:

I've done a quick reversal of the icons using a gradient map adjustment layer in Photoshop.

See how this looks for you:

• http://postimg.org/image/4by2k00yv/ (icons.png)
• http://postimg.org/image/gf3e7kc13/ (icons-hidpi.png)