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They aren't - RGB (Red, Green, Blue) is a color format primarily used in computer and electronic applications, because computer screens use red, green and blue led's (or in older CRT's, dots) to formulate an image onscreen.
CMYK (Cyan, Magenta, Yellow and Black) is used in printed mediums. Since the 2 are different color profiles, work constructed on a computer must be converted to CMYK, along with using a proper color profile, to get a truer representation of what the finished product will look like in printed form. Without those tools, an image created in RGB won't look as intended when printed out in CMYK format.
Printers connected to computers are often RGB format as well, though some can be purchased with CMYK cartridges. Color copiers usually have both formats that can be selected.
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Which colour has the largest color gamut-rgb or cmyk?
RGB has a larger gamut than CMYK. In order from small to large: sRGB, AdobeRGB, ProPhoto RGB. The largest of the CMYK gamut is GRACoL.
What happens when you convert RGB to CMYK?
The underlying color model in Photoshop is neither RGB nor CMYK but LAB. It has the widest gamut, which means it can hold more color values than any other model. Of the two other models, RGB has more color values than CMYK does. When you convert from RGB to CMYK, the program first "maps" the RGB values into the LAB colorspace. It then maps the LAB values into the CMYK colorspace. Now, for REAL entertainment...take a pure RGB blue, or a pure RGB green, and attempt to map it into CMYK colorspace. It doesn't work at all. Red maps fine, but the other two go straight to hell.
Should i use Rgb or cmyk for business card print?
Rgb images can be printed by the newer digital copy machines, but you may be surprised with the outcome. If you are offset printing the images must be in cmyk mode to print correctly.
What stands K in CMYK why we not use B?
K is used to represent Black in CMYK because B is already used for Blue in RGB.
Rgb cmyk hsl or pantone in a document?
If you're printing the image on your desktop printer, use RGB--those printers will convert anything else to RGB, then to CMYK. If you're printing it on a wide-format inkjet printer like a Roland, Mutoh or VUtek, or you're sending it to a printing plant to be printed on an offset or flexo press, use CMYK if you're not using spot colors, and Pantone for the spot colors.
Which colour has the largest color gamut-rgb or cmyk?
RGB has a larger gamut than CMYK. In order from small to large: sRGB, AdobeRGB, ProPhoto RGB. The largest of the CMYK gamut is GRACoL.
Are chameleons RGB or CMYK?
neither
What happens when you convert RGB to CMYK?
The underlying color model in Photoshop is neither RGB nor CMYK but LAB. It has the widest gamut, which means it can hold more color values than any other model. Of the two other models, RGB has more color values than CMYK does. When you convert from RGB to CMYK, the program first "maps" the RGB values into the LAB colorspace. It then maps the LAB values into the CMYK colorspace. Now, for REAL entertainment...take a pure RGB blue, or a pure RGB green, and attempt to map it into CMYK colorspace. It doesn't work at all. Red maps fine, but the other two go straight to hell.
What happens if a printer uses RGB cartridges instead of CMYK?
go buy RGB cartridges
What is an RGB document?
RGB is color model and is suitable for screen. All colors in RGB are made from 3 primary colors Red, Green and Blue. There are also other color models like CMYK which is suitable for print. You can convert RGB to CMYK and vice versa in Photoshop.
Should i use Rgb or cmyk for business card print?
Rgb images can be printed by the newer digital copy machines, but you may be surprised with the outcome. If you are offset printing the images must be in cmyk mode to print correctly.
What stands K in CMYK why we not use B?
K is used to represent Black in CMYK because B is already used for Blue in RGB.
Can photoshop cs2 change rgb color to cmyk color?
ANSWER----Follow the instructions given blow to change RGB color to CMYK color in photo shop CS2 ---1) Open photo shop CS2 ---> 2) make a new document (or open the existing one) --->3) Go to Image ---> 4) Mode ---> 5) CMYK Color -------> Finishnow check your document, you will see your document color has been changed from RGB color to CMYK Color.... EndsSo enjoy with CMYK colorsHope it helpsCheers--------------------------------
Can photo shop elements 9 convert pictures from rgb to cmyk?
NO, you can only work in Adobe 1998 RGB and sRGB which is suitable for Internet
What are some different types of color systems?
The following examples demonstrate possibilities of colour systems: RGB and CMYK. RGB is an additive system of red, green and blue, whereas CMYK is a subtractive system from cyan, magenta, yellow and black.
Rgb cmyk hsl or pantone in a document?
If you're printing the image on your desktop printer, use RGB--those printers will convert anything else to RGB, then to CMYK. If you're printing it on a wide-format inkjet printer like a Roland, Mutoh or VUtek, or you're sending it to a printing plant to be printed on an offset or flexo press, use CMYK if you're not using spot colors, and Pantone for the spot colors.
I used Illustrator for a large format design when printed a proof in glossy paper the colors were not bright at all I used CMYK How can I get very bright colors?
ensure that you use the cmyk option from the start of your design, and that illustrator does not default to rgb. Try printing in rgb if the colors brighten up there is a good possibility you created the large format design in rgb. rgb for webstuff and cmky for printstuff from the very beginning!
