The grub menu isn't shown unless you press ESC to access it, and changing those colours to match the Ubuntu colours is, as far as I know, not possible without switching the display into framebuffer mode. We tried doing this, but it had significant other problems so it was reverted.
** Changed in: grub (Ubuntu) Status: Unconfirmed => Rejected -- Grub color are not very friendly https://launchpad.net/bugs/20918 -- kubuntu-bugs mailing list kubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs