Duotone Color Effect Generator
Design utilities: colors, gradients, CSS, and SVG tools.
What does this tool do?
Create trendy duotone images like modern posters. Upload a photo or use the built-in sample art, pick highlight and shadow colors, and download your duotone masterpiece.
Supported formats
CSS
SVG
HEX
RGB
HSL
Key features
- Live preview
- Copy CSS instantly
- Export options
- Professional output
Create trendy duotone images like modern posters. Upload a photo or use the built-in sample art, pick highlight and shadow colors, and download your duotone masterpiece.
Duotone maps image brightness between your two colors - bright areas become the highlight color, dark areas the shadow color.
How to Use
- Click Sample Art or Upload Image to load a picture.
- Pick highlight and shadow colors - the effect applies live.
- Download your duotone image as PNG.
Core Features
- Real canvas pixel-level duotone processing
- Built-in sample art - no upload required
- Custom highlight and shadow color pickers
- One-click PNG download, free forever
Frequently Asked Questions
What is a duotone image?
A duotone maps every pixel brightness between two colors, creating the bold two-tone look used in modern posters and editorial design.
Is my uploaded photo sent anywhere?
No. All processing happens in your browser - your photos never leave your device.
How to Use Duotone Color Effect Generator
1
Customize
Adjust colors, sizes, and styles.
2
Preview
See changes in real time.
3
Copy Code
Get production-ready CSS/SVG.
100% Private & Secure: This tool runs entirely in your browser. Your data never leaves your device and is never sent to any server.
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