Giving your forum an entirely new look and feel is easy — just download one of these great themes! There are even themes for the admin control panel.
Projects in Dark
This dark SC Editor style can be useful for forums with dark themes
BLUX - A nice & simple flat theme for MyBB.
ElwitchTheme is a theme for your mybb forum.
A darkness bassed default theme.
Add a dark color for your Default theme
Another Hacking Forum Theme
Darkness Theme for MyBB 1.8.31. Theme is not responsive.
Default theme but more contrast, mobile friendly, spacing between posts; free of banners etc
Cool little theme by Lunorian
Green Noise
by sirev
Green noise theme under blue-grayed backgrounds.
Dark theme based from Default MyBB theme
Classy, elegant and responsive dark theme for MyBB
Purple & Black modded ACP Theme
A sleek and modern SCEditor theme
theme update for Mybb 1.8.x
Updated version of Audentio GamingJam theme.
Responsive Modern Mybb Themes