What the customer needs to know
A conversion preview is useful for setting expectations, but final color depends on press profile, material, ink, and calibration.
Color guide
RGB to CMYK
RGB to CMYK conversion changes colors because screens and printers use different color systems. Bright blues, greens, and oranges can shift when a customer file moves from screen design to production.
Check full PDF readinessWhere this fits in prepress
Color mode is one item in a larger print-readiness check alongside resolution, bleed, fonts, trim size, and embedded assets.
Front-end preview
Use this page to explain approximate channel values and then move the file into a proper PDF preflight workflow before production.
Related free tools
Image Resolution CheckerCheck pixel size, target print size, effective PPI, and print quality risk.Image DPI CheckerRead image dimensions and calculate useful DPI for printing.Print Size CalculatorFind the largest print size for 300, 200, and 150 DPI output.Print-Ready PDF CheckerReview the file checks a print-ready PDF needs before handoff.