Generate harmonious color palettes and CSS variables from a base color.
Check supported input/output details and follow the tool steps before exporting.
Use these specs to validate workflow fit, privacy boundaries, and output expectations before you start.
Cost
Free workflow with no signup gate for core usage.
Security
Processing runs in your browser on your device; your files are not uploaded.
Device
Supports modern desktop and mobile browsers.
Tech specs
Input: base color value. Output: generated swatch sets across harmony presets plus copy-ready CSS variable declarations.
Check supported input/output details and follow the tool steps before exporting.
01
Enter a base color or choose one with the picker.
02
Select a harmony preset such as monochromatic, analogous, or complementary.
03
Review the generated swatches, accents, tints, and shades.
04
Copy the CSS variables or reuse individual palette values in your project.
Understand how to generate colour palettes, why it matters in repeat workflows, and when to use this tool with confidence.
Generate multi-swatch color palettes from one base color with harmony presets, labeled variations, and CSS variable export. That makes it a practical fit when you need build ui themes from a single starting color, explore palette directions for product or brand work, and create labeled css variables for front-end systems.
Instead of switching between separate utilities, the current workflow keeps the main task, supporting controls, and export actions together so you can validate the result before moving on.
Enter a base color or choose one with the picker. Select a harmony preset such as monochromatic, analogous, or complementary. Review the generated swatches, accents, tints, and shades. Copy the CSS variables or reuse individual palette values in your project. The goal is to keep the path from input to verified output short enough for quick tasks while still exposing the controls that matter when the data is more sensitive or more complex.
Supports multiple harmony presets beyond a single tint ramp. Generates labeled swatches that are easier to reuse in code. Exports CSS variables for fast implementation. Keeps palette exploration private and instant in the browser. That combination makes the tool useful for both one-off fixes and repeat operational work, especially when you want to keep the workflow inside the browser.
Have more questions? Reach out via our contact page and we will respond within 24 hours.
Enter a base colour in HEX, RGB or HSL, pick a harmony, and copy the palette.
Monochromatic, analogous, complementary, split-complementary, triadic and tetradic.
Yes. Copy ready-made CSS variables for a stylesheet or theme file.
The colour opposite on the colour wheel, which gives the strongest contrast with your base colour.
Yes. It is free, with no account and no sign-up.
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Palette input
Palette output
