All themes
$npm run dev
Starting development server...
Ready on http://localhost:3000
Reactor
Dark · by Baris Can Sayin
Dark theme
Reactor
A cooling pool inside a research reactor: Cherenkov-blue glow on graphite walls, uranium-yellow caution.
Download theme fileby Baris Can Sayin · submitted by itsbariscan · added May 7, 2026
DarkCool
Palette
Interface
- Background#0d1216
- Foreground#cce6f5
- Card#141b22
- Primary#2cb4e8
- Accent#26323a
- Border#26323a
- Sidebar#070b0e
Terminal
- Red#e8412f
- Green#5da9b5
- Yellow#e8c635
- Blue#2cb4e8
- Magenta#9870b5
- Cyan#5dc8d8
- Cursor#2cb4e8
How to install Reactor in Superset
- Download the theme file above.
- In the Superset desktop app, open Settings → Appearance → Theme.
- Click Import Theme and select the downloaded file.
- Pick Reactor from the theme grid to apply it.
See the custom themes guide to edit a theme or build your own.