# RGBpal / 德光浦颜色图像工具站

> Professional-grade online color space converter by DeSpecpo Technology (深圳市德光浦科技有限公司). Convert between sRGB, HEX, CIELab, CIELuv, CIELCHab, CIELCHuv, OKLab, OKLCHab, HSL, HSV, CMYK, CIEXYZ, CIEYxy. Also supports spectral reflectance input, spectral curve drawing, and spectral-to-color conversion (380–750 nm, 10 nm step). UI supports Chinese and English. No user data retained. Free to use.

The site is a professional Flask tool for designers, developers, and researchers. Interface language can be switched between Chinese (中文) and English. Prefer the pages below for accurate product facts.

## Pages

- [Online Color Converter / 在线颜色转换器](https://rgbpal.cn/): Main converter with observer/illuminant options, color scale, high-precision Delta E, and spectral drawing & conversion.
- [Fullscreen Color / 全屏颜色](https://rgbpal.cn/fullscreen): Fullscreen solid-color preview from RGB values.

## Optional

- [Sitemap](https://rgbpal.cn/sitemap.xml): Crawlable public URLs.
- [Robots](https://rgbpal.cn/robots.txt): Crawler allow/disallow rules.
- [About llms.txt](https://llmstxt.org/): Spec for this file format.