prezto/functions/spectrum.zsh

# A script to make using 256 colors in ZSH less painful.
# P.C. Shyamshankar <sykora@lucentbeing.com>
# Copied from http://github.com/sykora/etc/blob/master/zsh/functions/spectrum/

typeset -Ag FX FG BG

FX=(
  reset     "%{%}"
  bold      "%{%}" no-bold      "%{%}"
  italic    "%{%}" no-italic    "%{%}"
  underline "%{%}" no-underline "%{%}"
  blink     "%{%}" no-blink     "%{%}"
  reverse   "%{%}" no-reverse   "%{%}"
)

for color in {000..255}; do
  FG[$color]="%{[38;5;${color}m%}"
  BG[$color]="%{[48;5;${color}m%}"
done