I use it with true color support enabled, and a terminal that supports true color, and a patched version of tmux that supports true color, and finally all color schemes render as they do in gvim!
yeah, there is a good chance you'll not run into problems. however new, serious bug reports come in frequently. for example a lot of people have been seeing segfaults, and nobody seems to know where to look.
Although Neovim's codebase is significantly cleaner than vim's, its still a far cry from what I would call good.
I use it with true color support enabled, and a terminal that supports true color, and a patched version of tmux that supports true color, and finally all color schemes render as they do in gvim!
Also the terminal emulator feature is awesome.