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I have some listings and some portions of text, that need (or at least i want them to have) a colored background. At the moment i'm using blue!5, which gives a nice color on the screen, but has the effect, that my printer uses (visible) dithering when printing that background, which makes the background-color look noisy/distorted.

So is there a rule/'best practice' for choosing colors, that does not need to be dithered by the printer? Or at least reduce the 'amount' of dithering needed to print that color?

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put on hold as off-topic by Paul Gessler, Papiro, Svend Tveskæg, Masroor, ChrisS 2 days ago

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I guess thats really printer depend and a 5% blue is really light so it’s hard for the printer to create it, which results in dithering. I don’t know a way to prevent this for consumer printers … –  Tobi Jul 22 '13 at 10:03
    
from the print i can see, that the printer actually uses a lighter blue and then darkens it with some dark/black dots. –  MaPePeR Jul 22 '13 at 10:25
    
Hm … then you’ll have to try&error until you find a blue that can be printed by your printer. But the results will be very different on different printers … –  Tobi Jul 22 '13 at 10:48
    
Is you blue an RGB or an CMYK color? I guess you will get better results with CMYK ... –  Kurt Jul 22 '13 at 10:51
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This question appears to be off-topic because it is about output-level handling of colors by specific printing technologies, not how to specify said colors in LaTeX. –  Paul Gessler 2 days ago