Generate a Complementary Color Palette
Instantly generate perfect complementary color schemes. Adjust lightness and opacity, and export in 15+ formats including Hex, RGB, HSL, CMYK, and OKLab.
Ready to Harmonize?
Create stunning complementary color schemes for your next design project in seconds.
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Palette Designer
Fine-tune your color harmony and export
Perfect Harmony
Automatically calculates the exact complementary color (180° on the color wheel) for maximum contrast and visual impact.
15+ Color Formats
Export your palette with codes for Web (Hex, RGB), Print (CMYK), and Design (LAB, OKLab, HSL, HSV, and more).
Flexible Export
Download just the color palette strip for your design system, or the full canvas with the color wheel for reference.
How It Works
Pick Base Color
Select your primary color using the color picker or by clicking on the wheel.
Customize
Adjust lightness and opacity. Choose which color codes (Hex, RGB, etc.) to display.
Export
Download your complementary palette as a PNG image.
Frequently Asked Questions
What are complementary colors?
Complementary colors are pairs of colors that are opposite each other on the color wheel. When placed next to each other, they create the strongest contrast for those two colors.
Can I use this for print design?
Yes! You can enable CMYK codes in the Output Color Format settings to get the correct values for print projects.
Is this tool free?
Yes, this tool is 100% free and runs entirely in your browser. No data is sent to any server.