Colored output in bash

Use escape sequences:

echo -e '\E[color1;color2mYour Text.'
(color1 is the foreground, color2 the background color)

Shell Scripting Syntax

 echo -e '\E[30m black \E[31mred \E[32mgreen \E[33myellow \E[34mblue \E[35mmagenta \E[36mcyan \E[37mwhite'
 echo -e '\E[30;41mblack on red'

<strong class="highlight">echo</strong> -e '\E[30m black \E[31mred \E[32mgreen \E[33myellow \E[34mblue \E[35mmagenta \E[36mcyan \E[37mwhite' <strong class="highlight">echo</strong> -e '\E[30;41mblack on red'

Shell Scripting Syntax

Color:           Foreground:           Background:
---------------------------------------------------------
black             30                       40
red               31                       41
green             32                       42
yellow            33                       43
blue              34                       44
magenta           35                       45
cyan              36                       46
white             37                       47