RGB vs. CMYK

RGB mixes red, green and blue light, which makes it ideal for displays, LEDs and any digital-first workflow.

CMYK blends cyan, magenta, yellow and black inks, which is the standard model for professional printing and packaging.

When to convert colors

Convert RGB artwork to CMYK before sending files to a print shop to avoid unexpected shifts in saturation or contrast.

Use CMYK to RGB conversion when you need a quick on-screen preview of a print-ready palette or when digitizing printed materials.

Manual conversion steps

To convert RGB to CMYK by hand, normalize each RGB value to a range between 0 and 1, find the largest value and compute the key (K).

K = 1 − max(R, G, B)
C = (1 − R − K) ÷ (1 − K)
M = (1 − G − K) ÷ (1 − K)
Y = (1 − B − K) ÷ (1 − K)

Multiply each value by 100 to get percentages. To return to RGB, divide all CMYK percentages by 100 and reverse the formula.

What RGB ↔ CMYK Converter does

RGB ↔ CMYK Converter is a focused browser tool: Turn RGB values into CMYK percentages and back again while copying the exact values with one click.

Use the controls on this page for RGB ↔ CMYK Converter and check the output directly. Review results before using them in documents, code or other important contexts.

Related terms for this tool include rgb to cmyk, cmyk to rgb, screen to print, rgb cmyk converter and designer color. These terms are used as orientation only; the visible controls and the entered data define what the tool actually does.

Where RGB ↔ CMYK Converter helps

Use RGB ↔ CMYK Converter when your task involves rgb to cmyk and you need a focused result on the page.
Use RGB ↔ CMYK Converter when your task involves cmyk to rgb and you need a focused result on the page.
Use RGB ↔ CMYK Converter when your task involves screen to print and you need a focused result on the page.

Using RGB ↔ CMYK Converter well

Start RGB ↔ CMYK Converter with the visible inputs and change optional fields after the first result is clear.
Check whether the RGB ↔ CMYK Converter output fits rgb to cmyk and your current task before copying it.
Run RGB ↔ CMYK Converter again after changing inputs or browser settings before reusing the result.

FAQ

What is RGB ↔ CMYK Converter best used for?

RGB ↔ CMYK Converter is useful when you need this specific task handled quickly: Turn RGB values into CMYK percentages and back again while copying the exact values with one click.

What should I check in RGB ↔ CMYK Converter before using the result?

Compare the visible output with the labels on the page, especially when your task involves rgb to cmyk, cmyk to rgb, screen to print, rgb cmyk converter and designer color.

Why can RGB ↔ CMYK Converter show an empty or unexpected result?

The most common reasons are missing input, unsupported characters, browser state or changed settings for RGB ↔ CMYK Converter.