Q:

What vim colorscheme is Red Hat EL7 setting by default and how can I port this to other systems? 

I like the syntax highlighting that comes enabled with vim on Red Hat EL7.   I'd like to know what colorscheme it's using but when I type :colorscheme it says 'default'. 
I'd like to replicate this colorscheme on MacOS and perhaps elsewhere but I'm not sure where to start. 

A:

All built-in colorschemes should be available in the colors directory of vim runtime.  You can get to the directory using:
:e $VIMRUNTIME/colors

However, the default colorscheme uses this syntax file:
:e $VIMRUNTIME/syntax/syncolor.vim

You can use this vimcast as a reference for building your colorscheme: http://vimcasts.org/episodes/creating-colorschemes-for-vim/
P.S: I haven't used Red Hat EL7 before, could you please share a screenshot of how the colorscheme looks like?