Colour Science
- Perception → how the human eye interprets wavelengths of light.
- Transmission → how colour changes when passing through or reflecting off materials.
Lab Colour Space & Delta E
- Lab Colour Space → a standardised model for measuring colours across devices.
- Delta E (ΔE) → numerical value showing the difference between two colours.
- Lower ΔE = closer colour match.
- Used to ensure consistency in printing and digital displays.
Tools & Profiling
- Spectrophotometer → measures colour accurately for calibration.
- Profiles → define how devices interpret colour:
- Output profiles → printers.
- Display profiles → monitors/screens.
- Input profiles → scanners/cameras.
- Device link profiles → connect two devices directly for colour consistency.
Software Applications
- Adobe Creative Suite → integrates colour management across design workflows.
- Kodak Prinergy → advanced pre‑press and colour calibration system.
Key Takeaway:
Colour management ensures that what designers see on screen matches what is printed. By using colour spaces, ΔE measurements, and device profiles, designers achieve accuracy and consistency across media.
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