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Colour converter

Convert colours between HEX, RGB and CMYK, pull the colours out of a logo, and see which ones will look dull when printed. Free, no sign-up, and it runs in your browser.

Convert a colour

HEX
#1B5E20
RGB
27, 94, 32
CMYK
71, 0, 66, 63
Colour

CMYK values are approximate. Print Check shows how colours will print.

Colours from a photo

No photo yet

The main colours appear here, with their CMYK values.

How to use it

  1. Pick a colour, type a HEX code, or type CMYK values from your print shop.
  2. Copy the HEX, RGB or CMYK value you need.
  3. To match a logo, choose the photo: its main colours appear with their CMYK values. Tap one to convert it.

Questions

Why does my print look duller than the screen?
Screens mix light (RGB) and can show very bright greens, blues and oranges that ink (CMYK) cannot print. Those colours come out duller on paper and flex. The warning marks them so you can choose a printable colour first.
Are these CMYK values exact?
They are a close starting point. The exact numbers depend on the printer, ink and paper; your print shop’s colour profile decides the final result. If your print shop gives you CMYK values, type them in and use those.
Are my files uploaded?
No. This tool runs entirely in your browser, so your files and text never leave your device. It works without an account.