Yes. We had to solve the contrast issues for the editor icons.
I think you can fix all the SVG ones with a simple search and replace.
If you still need the .pngs to support old IE, then that is a bit more work. I think sam marshall managed to automate it by working out how to script things in Gimp. However, I can't ask him because he is on holiday today.
MDL-41739 seems to be the tracker issue about this.