The ocgcolorlinks option to hyperref will let you have colorful links on the screen that are black (or more generally, the textcolor) when printed.
Is there a way to have coloured hyperref hyperlinks in the PDF, but have them print "as if" they were black? (yes there is!)
I'm wondering if there is a way to do similar tricks with other applications of color in LaTeX? For instance, I have in mind \pagecolor and \color.
tl;dr:
Is it possible to render a PDF in sepia tones? ... but have it print in black and white?