Packaging colour moves through displays, proofs, inks, substrates, coatings and different print processes. Colour management links those devices to defined targets so that decisions are based on measured conditions rather than on whichever screen happens to be nearby.
Define the viewing condition
Agree on illuminant, measurement mode, backing and tolerances before comparing numbers. A transparent film, metallic substrate or textured board may need process-specific evaluation. Spot colours should include an acceptable visual and instrumental range, not only a name in a digital file.
Profiles describe how a press condition reproduces colour. They are useful only when the press, ink, screening and substrate remain within the condition that was characterised. Verification wedges and routine measurements show whether production is still there.
Build one approval chain
Calibrate monitors, use a contract proof suited to the process and preserve the approved physical standard. Communicate whether a conversion prioritises numerical closeness, clean separations or brand appearance on the actual pack. When a colour cannot be reproduced in gamut, approve the chosen compromise explicitly. That turns colour from a late press-side argument into a controlled production decision.
