See Chroma Key.
3M brand name for overlay color proof.
Color overlays made from the film separations. Used to proof color and balance.
A series of colored films used to check individual colors and stripping. When overlaid in printing sequence it will produce a multicolored image. A color key is limited to yellow, orange, dark blue, magenta, cyan, black, white, gold, brown, green,, red, beige and any combinations thereof. Basically a photographic positive of the separation negatives in general color.
A color used for transparent or translucent effects. An overlay surface is displayed in the region of the primary surface that contains the color key. In video production, color keys are used to combine two video signals. Also called a chroma key.
A printerâ€™s proof made from negative overlays which when combined simulates process printing inks
in printing, a four-color proof from a printer made from four pieces of film (cyan, magenta, yellow and black) laid on top of one another to imitate a finished four-color piece for a customer to check before printing.
A proof of combined and registered negatives printed in proper colors.
3M's trademarked system for producing overlay proofs. A Color Key is an inexpensive form of contract proof that is usually used for jobs where color is not critical. See also MatchPrint, Water Proof.
a pre-press proof using transparent films of various colors to represent the ink colors used for the printing process. Simulates finished product when full-color photographs are being printed, or several ink colors, special screening effects, etc.
(3M Co. trademark)-Unlaminated overlay proof with each color on an individual piece of acetate.
a multiple layer proof
a proof that has a separate overlay for each color, an older system that was used to proof process work but now is used frequently as an overlay for fifth and sixth colors or to indicate embossing images or die lines
A printer’s proof that consists of four sheets of colored acetate that represents the color separation process for a particular job.
A printer's proof usually used for viewing the individual layers of CMYK, four sheets of colored acetate, for examining the quality of process color separations.
Off-Press overlay color proofs.
A proofing system for color printing in which each color appears on acetate overlays and combine to simulate the finished publication. The overlays are made directly from film negatives.
A contact proof from the film made from acetate. There is one sheet per process color, one for Cyan, one for Magenta and so on. The film is overlaid with each other to verify that your color film, is correct.
The use of four superimposed acetates, one for each basic printing color, which gives an excellent reproduction of the final product. Color accuracy rate of 90%. Generally speaking, this process is used for offset printing.
An overlay proof composed of an individual acetate sheet for each color.
Color proofs in layers of acetate.
A printer's proof, actually four sheets of colored acetate, for examining the quality of process color separations. This process is normally used when printing on a press capable of fewer than four colors at once. All AAs and corrections should have been made prior to seeing a color key.
3M trade name for overlay color proof sometimes used for brochures postcards and other documents.
Proof in which each color is on a separate overlay and combines to simulate the finished color piece.
Brand name for an overlay color proof. Sometimes used as a generic term for any overlay color proof.
A means of proofing four-color pages before final reproduction.
A set of four acetate overlays, each utilizing a halftone consisting of one of the four process colors used for proofing color separations.