Question
What file format should I use for color-critical projects?
Answer
For color-critical work, build and export your file in CMYK rather than RGB, because presses print in CMYK and RGB colors can shift when they are converted. A high-resolution PDF gives the most reliable result.
| Setting | Recommendation |
|---|---|
| Color mode | CMYK (avoid RGB for print) |
| File type | Print-ready PDF |
| Resolution | 300 DPI at final size |
| Bleed | 0.125" on every side |
Keep in mind that printed CMYK can look more muted than a backlit screen. When an exact shade is essential, specify Pantone (PMS) spot colors and ask about a press proof before the run.
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