I just wanted to know if it\'s faster to use hex color codes or the color names when I want to use it in CSS?
Faster in terms of rendering?
In practical terms, there's no possible way it will ever make any difference.
In technical terms, that depends on how the CSS rendering is implemented in each browser. If I had to make a guess, I'd imagine that using hex is about 3 CPU cycles (an exaggeration) faster in most browsers, since the name has to be converted to hex first.
But the time it took you to ask the question represents more time than has been wasted by all browsers in the world doing this conversion since the Internet was invented.