change the color of the description of a url latex
documentclass{article}
usepackage{xcolor}
usepackage[colorlinks = true,
linkcolor = blue,
urlcolor = blue,
citecolor = blue,
anchorcolor = blue]{hyperref}
newcommand{MYhref}[3][blue]{href{#2}{color{#1}{#3}}}%
begin{document}
Here is MYhref{http://www.google.com}{Google} and MYhref{http://www.yahoo.com}{Yahoo!}.
Here is MYhref[brown]{http://www.google.com}{Google} and MYhref[red]{http://www.yahoo.com}{Yahoo!}.
end{document}