What are CMYK and RGB?
Learn the fundamentals of two color models
CMYK (Subtractive)
- C (Cyan): 0-100%
- M (Magenta): 0-100%
- Y (Yellow): 0-100%
- K (Key/Black): 0-100%
Used mainly for print; colors get darker as values increase (subtracting light).
RGB (Additive)
- R (Red): 0-255
- G (Green): 0-255
- B (Blue): 0-255
Used mainly for screens; colors get brighter as values increase (adding light).
Important：CMYK and RGB have different gamuts. Some vivid RGB colors cannot be reproduced accurately in CMYK.
Supported Input Formats
This tool supports multiple CMYK input formats
// Comma separated: 50,30,20,10
// Space separated: 50 30 20 10
// Standard: C:50 M:30 Y:20 K:10
// Compact: c50m30y20k10
// With decimals: 50.5,30.2,20.8,10.1
All formats support values 0-100 and allow decimals.