- Home
- Packaging glossary
- Colour proof
Colour proof
Also known as: print proof, colour approval, contract proof, press proof, wet proof
A colour proof is a sample print made before production to show how colours and artwork will look, for the customer's approval.
A colour proof is a sample print produced before the production run so the customer can approve colours, layout and text. It is the main safeguard against costly surprises.
Types of proof
- PDF / screen proof: good for checking layout and text, not reliable for colour.
- Digital (contract) proof: printed on a calibrated proofing device to simulate press conditions.
- Press proof: on the real press with real film and ink; closest to the final result, often done as a press-side approval at the start of production.
Why it matters
Screens show RGB light, while packs are printed in CMYK and spot inks. On flexible packaging, colour also depends on clear, white or metallised film, the white underprint and matte or gloss finish.
What to check
Brand and Pantone colours, natural-looking food photos, every line of mandatory text, barcode readability, and that nothing sits in seals or gussets.
Tips
View proofs under neutral lighting, keep the approved proof for checking deliveries, send a previous pouch as reference for repeat orders, and agree how colour tolerance will be measured.
Frequently asked
Why did the printed colour differ from my screen?
Screens emit light in RGB while print uses ink on film, so a printed proof is the only reliable reference.
Will the production run match the proof exactly?
It should be very close, but small differences between proofing and production materials are normal.
Related terms
Let's choose your packaging together
Work out the price for your size now, or ask our team which structure suits your product.