AbraCalc

CMYK(0%, 0%, 0%, 0%) to RGB (White)

CMYK(0%, 0%, 0%, 0%) converts to RGB(255, 255, 255), which is white — no ink applied.

Embed this tool on your site

How to use this tool

  1. Enter cyan, magenta, yellow, and key (black) percentages (0–100 each).
  2. The tool calculates the corresponding R, G, B values (0–255).
  3. Copy the rgb() string into CSS or your image editing software.

Zero ink in all CMYK channels corresponds to pure white paper: RGB(255, 255, 255).

Frequently asked questions

What does Key mean in CMYK?
Key refers to the black ink plate, used in offset printing to sharpen detail. It is called Key because the other plates are keyed (aligned) to it.
Why convert CMYK to RGB?
If you receive a CMYK color from a print designer and need to use it on a website, you convert it to RGB which screens understand.