How to use this tool
- Enter or choose your starting color.
- Adjust any options and review the live preview.
- Copy the value or palette you need.
- Test the result in the context where you plan to use it.
How it works
Color formats are different mathematical descriptions of the same visual color. Hex is a compact base-16 notation widely used in CSS, while RGB describes the intensity of red, green, and blue light. HSL and HSV reorganize that information around hue and make many design adjustments easier to reason about. CMYK is an estimate of ink proportions, and OKLCH is designed so similar numeric changes feel more visually consistent. This converter parses the starting value, normalizes it into a shared color representation, and calculates the destination channels with deterministic formulas in your browser. Rounding can cause a converted value to differ by a digit when you convert it back, but the visible color should remain effectively identical. Screen previews use your display’s RGB color space, so CMYK output is a useful starting estimate rather than a substitute for a printer profile and a physical proof.
Frequently asked questions
What can I use the Hex ↔ HSL Converter for?
Use it for quick design decisions, CSS work, prototypes, and checking values without opening a full design application.
How accurate are the results?
The calculations use standard deterministic color formulas. Small rounding differences are normal, and print results always depend on the printer and color profile.
Can I copy the results?
Yes. Use the copy controls beside values or copy the generated code block directly.
Is my color or image uploaded or stored?
No. This tool runs entirely in your browser. Your values and images are processed on your device and are never uploaded, stored, or sent to an API.
Does it work on mobile?
Yes. The interface is responsive and the core calculations work in modern mobile browsers. A few native features, such as EyeDropper, depend on browser support.