BrushCue Tool
Duotone Effect Online
Click to get startedDrop your image here
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What you can expect
Map image shadows and highlights to two custom colors with contrast-boosted lightness curves for rich, professional color grading.
Related tools
More BrushCue tools that fit this workflow.
Shadow Tint
This tool applies a selective chroma shift to shadow areas of an image, allowing you to add color offset (shifts in red and blue channels) specifically to the darker regions. Use it to create stylized color grading effects or enhance shadow details with custom color adjustments while preserving the highlights and midtones.
Rose Tint
Apply a rose tinted effect to your images. Great for expressions of love or to celebrate Valentine's Day.
Frequently asked questions
- How to make a duotone image?
- Select your file, choose the two colors, and export the duotone result.
- What does a duotone effect do?
- It remaps image shadows and highlights to two chosen colors, creating a bold graphic color grade while preserving tonal structure.
- What colors work best for duotone?
- Choose two colors with clear contrast. A darker color and a lighter color usually preserve image detail best.
- What file formats can I export?
- You can export as PNG, JPEG, WebP, TIFF, BMP, or HEIC.
- Is this tool free to use?
- Yes — completely free, no account needed. Your images are processed entirely in your browser and never uploaded to a server. Downloads have no watermarks.
For developers
Use Duotone Effect from Python
Open the Jupyter notebook example to see how to run this tool from the BrushCue Python API, inspect the processing steps, and adapt the workflow for scripts or batch image jobs.
View Python notebookBuild your own
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