When giving my customers there photos im not sure what to give them in, because if they view on computer rgb looks way better, but if they want to print there is a risk it may turn out different... what should i give them?
Five answers:
Jeroen Wijnands
2012-01-04 05:36:20 UTC
Very simplified answer.. if it's for on screen usage or untrained consumer users, RGB. If it's a pro then ask or supply CMYK, it prints better on high end printers.
screwdriver
2012-01-04 06:05:37 UTC
A CMYK format file is only required for offset printing, sRGB (or Adobe 1998 RGB) is the standard for all others and the screen or web use (the printer driver does the conversion in normal inkjet printing).
If you supply a 16bit Tiff format image it can be either and with the highest resolution and there will be enough 'headroom' in the file to preserve any changes in post production you have made, it will also preserve the wider gamut available when using Adobe 1998 RGB colour space or even Pro Photo colour space. For the highest print quality the format to avoid is Jpeg as that is only 8bit and a compressed file format at that. A 16bit Tiff is totally lossless.
You can get close to matching the screen image to print, but the print will usually be dimmer and less 'vibrant' as prints use subtractive colour, screens use additive colour.
Chris
rowtonsr
2017-01-09 14:56:03 UTC
besides the undeniable fact that CMYK is used for printing oftentimes, theres a huge distinction in what profile is utilized in changing RGB to CMYK. shade Profiles (ICC, and so on.) be sure the colour output of the printer because of the fact it limits the ink density in accordance to substrate/fabric used. loads of cases RGB data are extra desirable because of the fact the printing business enterprise makes use of the colour profile that got here with the printer, somewhat of fixing it your self employing SWOP lined or something else. RGB will additionally enable different printers which includes 8 shade printer or 12 shade printer to apply the particular inks, for the reason that it is previous CMYK printing. in case you deliver a CMYK document to an 8 shade printer, the RIP utility will convert it returned to RGB returned and convert it employing their profile. identity choose for RGB document.
Damocles
2012-01-04 05:29:24 UTC
What are the primary colors? The answer is, "that depends". The primary colors for direct light (where light travels from the source to the eye, like, a computer monitor) are Red, Green and Blue (RGB). The primary colors for reflected light (where light travels from the source, bounces off some object, like a piece of [photo] paper, and then travels to the eye) are Cyan, Magenta, and Yellow (CMY). See when the light bounces off of the paper, it goes through a "phase shift" - CMY is one phase off of RGB. The "K" stands for black. You can make black with CMY, however, that takes a whole lot of ink - it is way cheaper to just add black ink as a separate color, hence the CMYK.
Now with photographs the secret of "Kodachrome" that gave it the "nice bright colors" was that it has extra blue grains (all color film is made this way now that the patent has expired). See your eyes are more senstive to subtle variations in color in the "blue" end of the spectrum than it is in the red end of the spectrum. Printers that are used for photographs typically have two shades of Cyan and Magenta (which make Blue), so they tend to have CMYKcm ink in them (the lower case "cm" standing for the slightly different shade of Cyan and Magenta. So, realy, for best results, you should use CMYKcm, assuming your printer supports 6 color ink.
anonymous
2012-01-04 10:19:51 UTC
This article explains the differences between the two.