AbraCalc

CMYK(25%, 25%, 25%, 25%) to RGB (Dark Gray)

CMYK(25%, 25%, 25%, 25%) converts to approximately RGB(143, 143, 143), a medium-dark neutral gray.

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.

Equal parts of all four CMYK inks at 25% each produces a balanced neutral gray in RGB.

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.