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RGB to CMYK Calculator

Convert RGB to CMYK (cyan, magenta, yellow, black) in percent.

Input Data

Input Red R.
Input Green G.
Input Blue B.

Results

100%
0%
0%
0%
RGB → CMYK (%).

At a glance:RGB to CMYK Calculator: enter parameters to compute results; complements related calculators.

Formula

C=1−R, M=1−G, Y=1−B; K=min(C,M,Y); then gray replacement.

How to Use

  1. Enter R,G,B.
  2. It returns C,M,Y,K (%).

Case Studies

Cyan (0,255,255) → C=100,M=0,Y=0,K=0

Pure cyan is full C.

FAQ

Role of K?

Black ink overprints to save ink and deepen shadows.

Related Tools

References

Content review: Calculatorism Science Team. Formula and numeric tests verified; results for reference only.

Found a problem with the results?

If this calculator's result is wrong, or you have any question about the calculation logic, please let us know. You are viewing:RGB to CMYK Calculator（/color/rgb-to-cmyk）。