# Page Not Found

The URL `manage-a-color-palette/tweak-the-lightness-stops/add-or-remove-stops-in-the-custom-preset` does not exist.

You might be looking for one of these pages:
- [Sync a color palette to the local library](https://docs.ui-color-palette.com/penpot/guides/sync-a-color-palette-to-the-local-library.md)
- [Sync a color palette to tokens](https://docs.ui-color-palette.com/penpot/guides/sync-a-color-palette-to-tokens.md)
- [How UI Color Palette on Penpot works](https://docs.ui-color-palette.com/penpot/introduction/how-ui-color-palette-on-penpot-works.md)
- [Export a color palette to code](https://docs.ui-color-palette.com/penpot/guides/export-a-color-palette-to-code.md)
- [Fees from the credit system](https://docs.ui-color-palette.com/penpot/introduction/fees-from-the-credit-system.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://docs.ui-color-palette.com/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://docs.ui-color-palette.com/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/penpot/guides/sync-a-color-palette-to-the-local-library.md`)
- Use `Accept: text/markdown` header for content negotiation