Screen colours too bright

For accurate display a sensor based display system calibration and profiling kit is essential. X-Rite's i1 display Pro is a decent base level offering. 

When using that software you'll have the opportunity to set the screen luminance target value (what we used to call brightness) to a reasonable level, as a guide you should be aiming to get your screen to be as bright as well illuminated paper. I suggest you start with a luminance target of, say, 120 CDm2 and then adjust your calibration target value lighter or darker guided by your eyes. 

Next you'll need to activate Photoshop's "soft-proofing" via menu item view / proof setup/ custom and select the CMYK icc output profile relevant to your printing condition. (as you are using CMYK values, it seems -it's vital that you're actually working on your document in the right CMYK colour space too)

In the proof setup/ custom dialog checking "ink black" will reduce black intensity as guided by the press profile. A good display screen can display a much darker black than ink on paper.

Checking the paper white option is correct, strictly, but is often deselected in practice as it may add an unexpected tint [due to strict measurement of 'optical brightener additives' [OBA'S] in the printing substrate]. 

I hope this helps

if so, please "like" my reply 

thanks

neil barstow, colourmanagement.net :: adobe forum volunteer

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moved to the Color Management Board.

neil barstow, colourmanagement.net :: adobe forum volunteer

Hi

Use a hardware calibration device (e.g. the i1Display) to calibrate and profile your screen. Make sure when you do so that you do not make the white on your screen too bright - if you print, a good guide is to adjust the brightness to approximate the brightness of a plain white paper. Alternatively set the white point target in the calibrator to around 120 cd/m2

Dave