Reset original layer colors

This is not a bug and more a feature request.

Sometimes it is senseful to change the layer colors to get more contrast to see or show something.

The last colors seems to be saved global immediately - what is senseful in most of the cases.

But when you change some more colors you cannot set them back to the original colors.
How can i do this?

Perfect would be an additional context option "reset colors".

There is no name for the actual color and the darker colors are heavy to differ by eye.
It would be nice when the name of the actual color is shown in the window to choose the color.

In the list of colors are many dark colors that give a bad contrast.
Is it possible to modify the colors?

Thanks a lot

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Application: kicadneu
Version: (2015-09-10 BZR 6180)-product release build
wxWidgets: Version 3.0.2 (debug,wchar_t,compiler with C++ ABI 1002,GCC 4.9.2,wx containers,compatible with 2.8)
Platform: Linux 3.16.0-4-amd64 x86_64, 64 bit, Little endian, wxGTK
Boost version: 1.54.0
         USE_WX_GRAPHICS_CONTEXT=OFF
         USE_WX_OVERLAY=OFF
         KICAD_SCRIPTING=OFF
         KICAD_SCRIPTING_MODULES=OFF
         KICAD_SCRIPTING_WXPYTHON=OFF
         USE_FP_LIB_TABLE=HARD_CODED_ON
         BUILD_GITHUB_PLUGIN=ON