display RGB color in vim and vim color in urxvt

[1]: Is there a simple script in vim to display RGB code color directly when you are in vim .
like this: #234567 let this part directly display color .

[2]: why the vim color scheme can not display correctly in urxvt. every color is not the original color in vim theme .
so how to set it ?

[3]: how to let vim display 256 color in urxvt ? Do i need set urxvt and vim both to support 256 color ?

--
I try to detoxify my memory. ---- http://about.me/Evanescence
Forget can not be treated as betray.
It's not certainly a love even though you remember to the end of your life.

--
You received this message from the "vim_use" maillist.
Do not top-post! Type your reply below the text you are replying to.
For more information, visit http://www.vim.org/maillist.php