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Home , CMYK color model

Working With Working With Colors 4- pr • 4-COlOr • in , there are two types of color modes: C •  t • Transparen There are two different types inks:of The physical form of color; Ink is how color is applied to paper Ink: and generallyand cost more Opaque Inks o l

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oc ; aka: Match color, PMS color, Solid color are considered aspecialty ink Inks ess ; aka: Process, CMYK are commonly used in printing in are used commonly Working With Colors • Metallic Inks •  CMYK inks using colors Process• 4-Color Guide (coated and uncoated versions) identifies •  • Popular PMS color libraries: •  :panpMs • Apre-mixed color; acolor mixed prior to the printing press Sp • www..com • CMYK between aspot color and the same color when converted to from the spot color Formula guide this book shows the difference Color Bridge (coated and uncoated versions) using the colors specific that identifies colors color guide solid Spot color Formula guide (coated, uncoated, and matte versions) reproducingin color Color system that has several color libraries for reference ot C o l to o r ne Mane tc h • Pastels i ng sysng t e m • Tints Working With Colors • Ink color appears darker and duller • Ink is absorbed into this type of paper stock Paper stock that has not been treated; it has no coating. U coated paper stock that has been dulled • Colors appear to be brighter compared to uncoated paper Matte: • Ink sits on this type of paper stock as aresult of the glossy coating have aglossy appearance. Paper stock that has been treated with aspecial coating in order to C n o co at ed: at ed : ed

Working With Colors • Print jobs with low budgets •  Sp • Colors can be inconsistent on various paper stock • Limited range of colors within adesign Di • consistent color within a print job. Benef color aides in the brand of acompany Designing identities for companies; the consistent sadvan ot co it o l o t f us ages o rs are n i ng sp ng f us o ot co r i ng sp ng m ally used: l o ot co r: l o r: Working With Colors • Through use of patterns and various dot sizes these four • Color process in printing that allows for the creation of full, life- • Process color is printing with 4basic ink colors on press; ,CMyk: , BlaCk and graphics colors are printed to paper in layers to create an image, text and like color on the press The ink colors are cyan, magenta, yellow and black Working With Colors Benef CMYK . inexpensive it is common to see almost anything printed using the Within the last years 10 printing process colors has become so Di • Unlimited colors within aprint job P • Colors can be inconsistent • Registration sometimes can be problematic r sadvan oc ess coess it o t f us ages o l o i ng prng rs are n f us oc i ng prng ess coess o r m ally used: oc l ess coess o r: l o r: Working With Colors field with designers as well as printers. this technique is not recommended, it is commonly used within the in many cases, the characteristics of the color will alter. Although color, and convert the spot color to process. By doing this the color, some designers use the Pantone Spot color books as areference to formulated process colors (uncoated and coated process color), Although Pantone Matching System® (PMS) has two books with percentages. books, color calculating apps, or by just guessing the color Process colors can be formulated in many ways, through published us i ng prng oc ess C ess o l o rs: Working With Colors printing plates for the press. ink layers. This is performed when creating converting a digital fi le into the separate A process in prepress, it is the of act separaTIOns: Working With Colors programs like illustrator and InDesign. all colors print as they are intended. Knockout is adefault feature in and the yellow Awould print amud . Because of knockout, In Figure without 1, knOCkOuT to prevent from overprinting. background automatically cuts out the element(s) in the foreground mixing colors with other design elements. The element(s) in the knOCkOuT of Since most inks are transparent, printers technique the use knOCkOuT: to prevent from overlapping design elements the the would star print , Working With Colors printing with spot colors. trapping when looking at collateral that was One can fi nd excellent samples of poor job. during apress check when inspecting aprint this, but needs to be aware of it, especially A designer normally does not worry about sets up prior to printing; somethingThis is prepress the department space between the two elements. a thin border. This helps to avoid gaps of blank edges overlaps the edges of another to create elementsWhen are knockout, element’s an TrappIng: Working With Colors As aresult the image/text appears to or blurred. be in 3-D When the color plates on apress are not aligned/registered. MIsregIsTraTIOn /Off-regIsTer /OuT regIsTer: Of regIsTered

OuT Of regIsTer Working With Colors background of Figure 2. is green, because the blue text in Figure 3prints over the yellow In Figures you notice 2-4, there is no knockout. In Figure 1the text that has been screen printed. when printing spot colors. It is found in poster design, and collateral Overprinting is mainly used to create athird color and is common look, but is not transparent. elements; color overprinting color. This creates atransparent-like When there is no knockout elements in the design, print over other OverprInT: Working With Colors in design that is printed in process color. This is not overprinting, because transparencies are normally used element below it is visible to some extent. When adesign element opacity is adjusted so that the design Transparen c y:

Working With Colors dotted pattern in the background. In all four circles, because of they are transparent you can see the above. overlapping the blue segment shows the red is overlapping underneath, and yellow segment shows that blue it doesn’t create green. The yellow and blue overlap, but createit doesn’t the purple; The red and blue overlap but the red and yellow circles. circle and how it overlaps with does at times. Notice the blue example of what a transparency The fi gure to the right, is a good