Not just another HEX picker.
HTML, RGB, CMYK, HSL, HSV and specialist designer and trade colour palettes including RAL Classic, RAL Design, British Standard BS4800, BS381C, BS5252, and NCS — all in one lightweight app.
950 colours across 7 palette systems. 12 colour formats. One app.
Hue is a professional screen colour picker built for designers, engineers, architects, and specifiers who need more than just a HEX code. Pick any colour from your screen and instantly identify it across multiple colour systems — including the professional trade and industry standards that other colour pickers simply don't have.
- Live screen colour capture with real-time preview and pixel-accurate magnifier
- 12 colour formats — HEX, RGB, HSL, HSV, CMYK, HTML/CSS Named, RAL Classic, RAL Design, BS4800, BS381C, BS5252, NCS
- 950 colours across 7 palette systems in the visual Colour Chart Browser
- Palette Code Search — search any RAL, BS, NCS or CSS colour by code or name
- Spectrum and Harmony tools — Complementary, Split Complementary, Triadic, Tetradic, Analogous
- Colour Adjustment — fine-tune colours with per-channel sliders (RGB, HSV, HSL, CMYK, HEX) including alpha
- Session save and restore with optional persistence across launches
- Named colour collections — assign names to captured colours
- Export — GPL (GIMP/Inkscape/Krita), CSS variables, SCSS variables, SVG, PNG, HTML
- Always on top and adjustable window opacity — see colours beneath the app as you work
- Dark, Light, and System themes
- Reassignable hotkeys — capture and undo from the keyboard
- Lightweight single executable — no Python, no dependencies, just run it
| System | Colours | Used For |
|---|---|---|
| HTML/CSS Named | 148 | Web and digital design |
| RAL Classic | 217 | European industrial standard — paints, coatings, plastics |
| RAL Design | 69 | Interior and product design |
| BS4800 | 93 | UK building and construction paints |
| BS5252 | 237 | UK colour coordination framework |
| NCS | 95 | Scandinavian/international interior and architecture |
| BS381C | 91 | UK industrial and military identification colours |
Download the latest release, extract, and run the install script:
tar -xzf hue-1.0.0-linux-x86_64.tar.gz
cd hue-1.0.0
sudo bash install.shThen launch from any terminal:
hueOr find Hue in your application menu under Graphics.
Download the Windows installer from the releases page. (Coming soon)
Download the macOS release from the releases page. (Coming soon)
A full User Manual is included with each release covering every feature, all colour systems, export options, and troubleshooting.
Free to use and share for non-commercial purposes. Credit must be given to Bad Kitty Software. Modification, reverse engineering, decompilation, selling, or including this software in any commercial product requires the express written permission of Bad Kitty Software.
© Bad Kitty Software — Made in the UK 🇬🇧
Hue — Not just another HEX picker.