Are colored in-text citations against APA6?
I think this is answered in the APA style blog


  In short, since there's no rule governing the use of hyperlinks, take your audience and delivery method into account when deciding whether URLs should become active hyperlinks in your paper.


The blog deals with the traditional underlined blue text used by MS Word for hyperlinks. It suggests the formatting can be distracting, especially when printed on a black and white printer, and therefore advises against using formatted hyperlinks for documents that will be printed. The blog, however, does not rule out the possibility of formatted hyperlinks in documents to be printed and seems to endorse formatted hyperlinks for documents that will be read electronically.