My (actually) prefered Bash prompt color settings

bashPreferences

~/.bash_profile (macOS)   or   ~/.bashrc (Linux)

alias ll="ls -hal" 

PS1='\n[\[\033[1;33m\]\u\h \[\033[0;32m\]\W\[\033[0;30m\]]$ ' 

export TERM="xterm-color" 
export CLICOLOR="true" 
export LSCOLORS="exfxcxdxbxegedabagacad"

For all other configurations, like font type, font size, cursor, background color, … have a look at: Perfect Terminal Settings