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RapideTools

Color Converter

Convert between HEX, RGB, HSL, HSV and CMYK.

Enter a color in any common format — HEX, RGB(A), HSL(A), HSV or CMYK — and instantly see every other format with a live preview. Copy the value you need with one click. This is the single tool for all color-format conversions; everything runs locally in your browser.
HEX
RGB
RGBA
HSL
HSLA
HSV
CMYK

All color conversions run locally in your browser — nothing is uploaded, stored or logged.

How it works

  1. 1 Type a color, or pick one from the swatch.
  2. 2 Read the HEX, RGB, RGBA, HSL, HSLA, HSV and CMYK equivalents.
  3. 3 Copy the format you need.
  4. 4 Clear or load the example to start over.

Common use cases

  • Translate a brand HEX into RGB or HSL for CSS.
  • Build an rgba() value with the right opacity.
  • Get CMYK values for print from a screen color.
  • Match a design-tool color to code.

Frequently asked questions

Is my color data sent anywhere?

No. Every conversion and calculation runs entirely in your browser — nothing is uploaded, stored or logged.

Which formats are supported?

HEX (3/4/6/8 digits), RGB, RGBA, HSL, HSLA, HSV and CMYK. You can enter any of them and read all the others.

Why convert to CMYK?

CMYK approximates how a color prints. It's a simple conversion (not color-managed), so treat it as a starting point and verify with your printer for exact results.

Is it really free?

Yes — free, with no signup, no watermark and no limits.