How to enable true color mode in an OS X Terminal?

terminal iterm color

True color mode is enabled by default in iTerm 3.0+.

The default MacOS Terminal.app is still limited to a 256 color palette.

Related

El Capitan, make check, DYLD_LIBRARY_PATH
Safari searches in the title bar require tapping "return" twice
Is there any way to view iOS device logs on the Terminal?
Tap and drag delay
How can I use AirPlay to watch on the television, but audio through my headphones?
Why is the Turkish Government in my computer?
Why do I get a 'connection to the outgoing server "smtp.gmail.com" failed' message in iOS Mail?
How to open a port in macOS Sierra 10.12.4
Where to find VNC access logs with IP addresses on Sierra?
Is there a way to automatically format/delete my SSD after x failed login attempts?
Creating aliases for iTerm 2 that work during ssh
Can't login because of kernel panic