Duotone Generator
Generate duotone with this free online tool. No installation required.
Duotone Effect Generator
Create CSS/SVG duotone effects from two colors.
filter: url(#duotone); /* Approx via matrix: */ filter: brightness(0.9);
Free duotone generator with instant results. No account needed, works on any device, completely private.
Key Features
Works on any screen size
Print and digital color support
Professional-grade accuracy
No registration needed
Color-coded output display
Real-time visual preview
Duotone Generator
Set your input values
Enter colors, dimensions, or design parameters
See live preview
Watch changes update instantly in the preview area
Adjust with visual controls
Use sliders, pickers, or direct input to fine-tune
Copy your result
Click to copy the generated values, codes, or palette
Use in your project
Paste into CSS, Figma, or any design tool
Use Cases
Accessibility compliance checking
Social media graphics
Web and UI design
Presentation styling
Frequently Asked Questions
Can I use it for commercial projects?
Yes, there are no restrictions on usage.
Does it work offline?
Once loaded, the tool runs without internet.
Is this tool free?
Yes, completely free for designers and developers.
Does it support HEX, RGB, and HSL?
Yes, it works with all major color formats.
Tool Information
Related Tools You Might Like
Color Palette Generator from Image
Extract dominant colors from an image
RGB/HEX Converter
Convert between RGB and HEX color formats
CSS Gradient Generator
Create custom CSS gradients with preview
WCAG Contrast Checker
Check color contrast according to WCAG standards
Digital Signature Generator
Create stylized digital signatures with different fonts
Box Shadow Generator
Generate CSS box shadows
Surfboard Volume Calculator
Calculate the perfect surfboard volume based on your weight, experience level, and wave conditions.
Wave Height Converter
Convert between different wave height measurements (face height, Hawaiian scale, ocean swell).
Scuba Dive Planner
Plan your scuba dive with depth limits, bottom time, and safety decompression requirements.