In the new release of wine 0.9.50, these commits were made and are apart of the .50 release:
user32: Fix colours to match exactly with Windows 2000. http://source.winehq.org/git/wine.git/?a=commit;h=91d2b609c3d13ee7a2fcdf5529a8c0ea9d6f7266
user32: Change the desktop colour and pattern to match win2k. http://source.winehq.org/git/wine.git/?a=commit;h=113f573b25f136674bfd7324b54ad7109d01142b
user32, wine.inf: Enable title bar gradients and match colours with win2k. http://source.winehq.org/git/wine.git/?a=commit;h=1aff3528cf0a7760758274766c1d4021b7ffa0c1
user32: Change to modern Windows colours. http://source.winehq.org/git/wine.git/?a=commit;h=1f8ba9612880582b8db827cae4b6f2c4504c602e
Since all of these changes were made in the new release, once Ubuntu can update the version in apt, there should be no need for messy/registry fixes.
In the new release of wine 0.9.50, these commits were made and are apart of the .50 release:
user32: Fix colours to match exactly with Windows 2000. source. winehq. org/git/ wine.git/ ?a=commit; h=91d2b609c3d13 ee7a2fcdf5529a8 c0ea9d6f7266
http://
user32: Change the desktop colour and pattern to match win2k. source. winehq. org/git/ wine.git/ ?a=commit; h=113f573b25f13 6674bfd7324b54a d7109d01142b
http://
user32, wine.inf: Enable title bar gradients and match colours with win2k. source. winehq. org/git/ wine.git/ ?a=commit; h=1aff3528cf0a7 760758274766c1d 4021b7ffa0c1
http://
user32: Change to modern Windows colours. source. winehq. org/git/ wine.git/ ?a=commit; h=1f8ba96128805 82b8db827cae4b6 f2c4504c602e
http://
Since all of these changes were made in the new release, once Ubuntu can update the version in apt, there should be no need for messy/registry fixes.