Features
- HEX, RGB, HSL, HSV, CMYK conversion
- Visual color picker
- Named CSS color lookup (e.g., "lightseagreen")
- Alpha/opacity support
- Contrast ratio checker
- Copy any format with one click
- Ad-free, works offline
How it works
- Open freecolorconvert.app
- Enter a color in any supported format
- See converted values across all formats
- Copy the value you need
Common use cases
- Converting design specs between formats
- Checking print CMYK values from screen HEX
- Finding the HSL of a HEX for tweaking hue
- Looking up named CSS colors
- Validating accessibility contrast ratios
How it compares
RGB.to is the most common result but sparse. Colorhexa is comprehensive but ad-heavy. Freecolorconvert covers all common formats on one clean page.
Privacy
Everything is client-side.