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KX Toolkit

Color Format Converter

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

Unit Converter Tools

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

This free Color Format Converter from KX Toolkit is part of our all-in-one online toolkit. It runs entirely in your browser, so your data never leaves your device for client-side operations. 100% free, forever - no paywall, no credit card, no trial.

How to use the Color Format Converter

  1. Pick the unit you have and the unit you want.
  2. Enter the value.
  3. Read the converted value - most tools update as you type.
  4. Use the swap button to reverse the direction if needed.

What you can do with the Color Format Converter

  • Convert recipe ingredients between metric and imperial.
  • Translate engineering specs across systems.
  • Check shipping weights and dimensions before ordering.
  • Quick travel conversions for distance, speed and currency.

Why use KX Toolkit's Color Format Converter

  • Browser-based: Works on Windows, macOS, Linux, iOS and Android - no install, no extension.
  • Privacy-first: Client-side tools never upload your data; server-side tools delete files right after processing.
  • Mobile-friendly: Full feature parity on phones and tablets - not a stripped-down view.
  • Fast: Optimised for instant feedback. No artificial waiting screens, no email-gated downloads.
  • One hub for everything: 300+ tools across SEO, text, image, PDF, code, color, calculators and more - skip switching between sites.

Tips for the best results

For very large or very small numbers, use the scientific-notation option - it avoids floating-point rounding errors.

Related Unit Converter Tools

If you find this tool useful, explore the full Unit Converter Tools collection or browse our complete tool directory. KX Toolkit is built for marketers, developers, designers, students and anyone who needs a quick utility without signing up for yet another SaaS.

How do I convert HEX to RGB?
Split the hex code into three pairs and convert each from base 16 to base 10. So #FF8800 becomes R=255, G=136, B=0. The converter does this automatically. Three-digit shorthand like #F80 expands to #FF8800 by doubling each digit. RGB values are always in the 0-255 range, regardless of how the hex string is written.
What is the difference between RGB and RGBA?
RGB has three channels (red, green, blue), each 0-255. RGBA adds an alpha channel for transparency, where 0 is fully transparent and 1 (or 255) is fully opaque. CSS uses rgba(255, 136, 0, 0.5) for half-transparent orange. Use RGB when transparency is not needed and RGBA when blending the colour over a background.
How is HSL different from RGB?
HSL describes a colour as Hue (0-360 degrees on a colour wheel), Saturation (0-100 percent), and Lightness (0-100 percent). It matches how designers think about colour: pick a hue, then adjust intensity and brightness. RGB is how monitors render colour. The converter translates between them so you can edit in HSL and ship in HEX.
What is CMYK used for?
CMYK is the print colour model: Cyan, Magenta, Yellow, Black, each as a percentage of ink coverage. Print shops require CMYK files because their inks are subtractive, while monitors are additive (RGB). Converting from RGB to CMYK is approximate because the gamuts differ; bright neon colours on screen often look duller in print.
Why does the same hex code look different on different screens?
Monitors vary in colour calibration, brightness, and gamut (sRGB, P3, Adobe RGB). The numeric value is identical, but the rendered colour can shift noticeably. Professionals calibrate displays and use ICC profiles for accuracy. For web work, design in sRGB, since most browsers and devices assume that gamut by default.
What is HSV and when is it useful?
HSV (Hue, Saturation, Value) is similar to HSL but uses Value instead of Lightness. Value 100 means full brightness, while in HSL, 100 lightness means white. HSV is common in image editors and colour pickers because adjusting Value keeps the colour vivid, while HSL washes towards white. The converter handles both.

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