In large-volume label production, ensuring color consistency across print runs is a critical requirement. However, if the process relies only on visual inspection, color variations can still occur.
In large-volume label production, ensuring color consistency across print runs is a critical requirement. However, if the process relies only on visual inspection, color variations can still occur.
The Limits of Visual Perception
Color as seen by the human eye can be affected by:
As a result, the same color may be perceived differently under different conditions.
The Role of Color Measurement Devices
To address this issue, many printing companies use spectrophotometers to accurately determine the deviation between the approved design sample and the actual printed output.
A commonly used metric is Delta E, which quantifies the level of color difference instead of relying on subjective assessment.
The Trend in Color Control
In modern production systems, color control does not stop at a single print run. Color data is stored and reused for subsequent reprints to ensure product consistency in the market.
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