Color Modes: RGB vs CMYK
Understand the core physical differences between CMYK & RGB models.
Core Concepts
RGB Mode — the World of Light
An additive model with a wider gamut, used for screen display.
CMYK Mode — the World of Ink
A subtractive model used for printing, with a narrower gamut.
Converting RGB to CMYK compresses vivid colors into the printable range, making them darker and greyer. This is a physical limitation.
Practical Guide
- Create files in CMYK mode from the very start of the design
- Switch to "CMYK preview" regularly to check the result
- Keep total ink coverage within 280-300%
- Use spot colors (Pantone) where consistency matters
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