colors – part 3 k1066bi – graphical design teppo räisänen [email protected]
TRANSCRIPT
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Colors – part 3K1066BI – Graphical DesignTeppo Räisä[email protected]
![Page 2: Colors – part 3 K1066BI – Graphical Design Teppo Räisänen Teppo.raisanen@oamk.fi](https://reader035.vdocuments.site/reader035/viewer/2022070323/56649da15503460f94a8d2c6/html5/thumbnails/2.jpg)
Colors
•Traditionally, red, blue and yellow are used as primary colors▫Used by painters
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Colors
•In computer era we use more often either •RGB
▫Red, Green, Blue•CMYK
▫Cyan, Magenta, Yellow▫K comes from blacK
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Colors
•RGB uses something called additive color model▫Used with TV’s▫Also used heavily with computers▫Normally, we have a black screen where we
add color
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Colors
![Page 6: Colors – part 3 K1066BI – Graphical Design Teppo Räisänen Teppo.raisanen@oamk.fi](https://reader035.vdocuments.site/reader035/viewer/2022070323/56649da15503460f94a8d2c6/html5/thumbnails/6.jpg)
Colors
![Page 7: Colors – part 3 K1066BI – Graphical Design Teppo Räisänen Teppo.raisanen@oamk.fi](https://reader035.vdocuments.site/reader035/viewer/2022070323/56649da15503460f94a8d2c6/html5/thumbnails/7.jpg)
Colors
![Page 8: Colors – part 3 K1066BI – Graphical Design Teppo Räisänen Teppo.raisanen@oamk.fi](https://reader035.vdocuments.site/reader035/viewer/2022070323/56649da15503460f94a8d2c6/html5/thumbnails/8.jpg)
Colors
•CMYK uses something called substractive color model▫It is used e.g. in printing
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Colors
•Normally printing is done to white paper▫Colors are done by substracting
(absorbing) certain wavelenghts from light and reflecting others
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Colors
•As can be seen from the previous slide cyan, magenta and yellow do not produce deep enough black▫So fourth color – black - is usually used▫Thus the name CMYK▫K = blacK
•Also as black is used a lot e.g. in newspapers (all text is generally black) it savesinc to use black color
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Colors
•When we print all CMYK colors one on top of another we see the final product