A soft proof is – in contrast to the classic “Hard Proof” on paper – a proof, which is soley displayed on a monitor.

The advantages of a softproof are obvious: It is fast, does not produce costs for paper and ink and is reliably reproduced with little effort. In addition, monitors have a very large colour space and can be quickly linearized and calibrated if necessary.

The disadvantages: Especially when controlling the print, a comparison of a paper proof to the final print is significantly easier than the comparison of a self-luminous image display with a passive illuminated paper. In addition, print control must be done under very bright light (2000 Lux) according to ProcessStandard Offset; for Softproofs on the other hand, the light must be darkened down to at least 700 Lux, because most soft proofing monitors are calibrated to dark 120 to 180 Candela, some monitors being capable of displaying 350 Candela, but these are not capable to display the entire ISOCoatedV2 gamut.

Currently, often a hard copy proof is the common solution in controlling print colour. In the long term Softproofing will certainly be established, since the monitor technology is making great progress constantly. At present, there is with Spectraproof a new softproof software available, that has a spectral approach to softproofing and works with all major monitors, measuring devices and can even approve softproofing lightning. Find more on Spectraproof and softproofing on


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