Free Color Palette Generator that works offline
Create a compact design palette from one starting color without sending brand colors to a remote design service.
What this color palette generator does
HSL separates hue, saturation and lightness, making related color construction predictable. Palette modes rotate hue or vary lightness while preserving a coherent starting point.
How to use the Color Palette Generator
- Enter or paste a base color, palette relationship and number of shades into the tool.
- Adjust the available options so they match the format and result you need.
- Choose Generate palette and review preview swatches, hex values and CSS custom properties before using it.
- Copy or download the result, then clear the page if the input was sensitive.
Common uses
- Drafting UI color systems
- Creating chart color candidates
- Generating CSS variables
- Exploring complementary and analogous relationships
Private processing and offline access
This tool does not submit your input to a conversion server. Processing takes place inside the browser using local JavaScript and standard Web APIs. After the PWA has been installed or cached, the page and its core features remain available without an internet connection. Closing or clearing the page removes unsaved input; the tool does not create an account or cloud history.
Tips for accurate results
- Check text contrast before using generated colors.
- Color appearance varies between displays.
- Use fewer colors for clearer interface hierarchy.
Frequently asked questions
Does this tool upload my data?
No. Color Palette Generator processes its input in the current browser and does not submit it to a conversion API.
What input does the Color Palette Generator accept?
A browser color input supplies the base color. Common hue relationships and lightness variations are supported.
Can I use this tool offline?
Yes. Once the Offline Tools PWA has cached the page, the core feature works without an internet connection.