Easily set colors in bash.

bashrgb

#!/bin/sh
# defined colors to make it easier to output visually stimulating prompts and other messages

# escapes the arguments you send it
function esc () { echo -ne "\\033[$*"; }
# color code escapes your first argument then follows with the rest of them
function escc () { echo -ne "\\033[$1m$2 $3 $4 $5 $6 $7 $8 $9"; }
# basic color escapes
function c () { echo -ne "\\033[$1m"; }
function fg () { echo -ne "\\033[0;$1m"; }
function fgb () { echo -ne "\\033[1;$1m"; }
function fgu () { echo -ne "\\033[4;$1m"; }
function fgk () { echo -ne "\\033[5;$1m"; }
function fgr () { echo -ne "\\033[7;$1m"; }
function fg_reset () { echo -ne "\\033[0m"; }

# easier raw access to 256 colors
function fgx () { echo -ne "\\033[38;5;$1m"; }
function bgx () { echo -ne "\\033[48;5;$1m"; }

# system standard terminal colors 
fg_black='0;30'  # Black
fg_red='0;31'    # Red
fg_green='0;32'  # Green
fg_yellow='0;33' # Yellow
fg_blue='0;34'   # Blue
fg_violet='0;35' # Purple
fg_cyan='0;36'   # Cyan
fg_white='0;37'  # White

# bold colors
fg_grey='1;30'     # Black
fg_b_black='1;30'  # Black
fg_b_red='1;31'    # Red
fg_b_green='1;32'  # Green
fg_b_yellow='1;33' # Yellow
fg_b_blue='1;34'   # Blue
fg_b_violet='1;35' # Purple
fg_b_cyan='1;36'   # Cyan
fg_b_white='1;37'  # White

# underlined colors
fg_u_black='4;30'  # Black
fg_u_red='4;31'    # Red
fg_u_green='4;32'  # Green
fg_u_yellow='4;33' # Yellow
fg_u_blue='4;34'   # Blue
fg_u_violet='4;35' # Purple
fg_u_cyan='4;36'   # Cyan
fg_u_white='4;37'  # White

# background colors
bg_black='40'
bg_red='41'
bg_green='42'
bg_yellow='43'
bg_blue='44'
bg_violet='45'
bg_cyan='46'
bg_white='47'

reset_colors='0'

# 256 extended colors are indexed and mapped to the same number for both foreground and background
function hex256 { echo $1 | conv-rgb2xterm; }

# my trademark colors
color_lime='154'
color_neonberry='26'