CMYK(0%, 0%, 100%, 0%) to RGB (Yellow)

CMYK(0%, 0%, 100%, 0%) converts to RGB(255, 255, 0), which is pure yellow.

Embed this tool on your site

<iframe src="https://abracalc.com/converter/cmyk-to-rgb/cmyk-0-0-100-0-to-rgb/embed.html" width="340" height="320" style="border:1px solid #e4e7ec;border-radius:12px" loading="lazy"></iframe>

How to use this tool

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

Full yellow ink with no other CMYK channels gives RGB(255, 255, 0), pure yellow.

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.