Carbon
by UltraUI
Carbon is for communities that take their craft seriously. Monochromatic slate tones on pure black create maximum clarity with zero distraction. Every colour is earned — the only thing that stands out is your content. Favoured by developer, finance, and productivity communities.
1.2k
installs
On-Air
install method
$7
price
Screens
5 screens included
Every screen in your app ships with this theme applied consistently.
Design tokens
Colour system
Five semantic tokens drive every colour decision in the app.
Primary
#94a3b8
Buttons, active states, icons
Background
#0a0a0a
App canvas
Surface
#171717
Cards, nav bars, modals
Accent
#e2e8f0
Secondary highlights, avatars
Text
#f8fafc
Primary text colour
Ready to apply Carbon?
Installed via On-Air Release — your users get it without downloading a new app version.