A now outdated proofing process. This term refers to a proof made from the actual printing plates, so-called because of its blue color. Now a high-quality full color proof is provided, usually now referred to as the final proof. This is chance to get one more look at a printing job before it goes to the press. Full Color: See: Definition for Four color process. Final Proof: Once called a "blueline" this is now a digitally generated full color proof