Thoughts Unleashed

Most hyperlinks are in blue. Should they be of different colour? Like red, green or brown?

Ever since internet started most hyperlinks are in blue colour. Probably, because navy blue is a colour that is easy on the eyes and easy to identify. But aren't other pastel colours equally qualified as the colour of a hyperlink? Rust, dark brown, cherry red, apple green are also good enough colours. What do you say?