Coolors Alternative — Full Color Toolkit
Coolors is great for palettes but limits free users. Swiss Knife offers palette generation, WCAG contrast checking, color blindness simulation, Tailwind matching, and image color extraction — all free, no limits.
Open Color ToolsNo UploadFiles stay on your device
No SignupNo account required
Runs in BrowserWorks offline too
Free ForeverNo limits, no watermarks
What you get
- ✓5 palette generation modes
- ✓WCAG AA/AAA contrast checker
- ✓Color blindness simulation (8 types)
- ✓Tailwind CSS color matcher
- ✓Extract colors from images
- ✓No account limits or saved palette caps
Why switch from Coolors?
CoolorsFree Tooling
✗Free tier limited to 5 colors, 10 saved palettes
✓No limits on colors or saved palettes
✗Requires account to save
✓Saves automatically in your browser
✗No contrast checker
✓Built-in WCAG AA/AAA contrast checker
✗No color blindness simulation
✓8 types of color blindness simulation
✗No image color extraction
✓Extract dominant colors from images
Frequently asked questions
Can I save palettes?
Color history is saved in your browser's localStorage. There are no limits on how many colors you can save, unlike Coolors' free tier.
Free · No account · No upload · Works offline