UIColor Generator From Hex Color Value

uicolorgenerate.rb

#!/usr/bin/env ruby

# Usage:
  # uicolorgenerate 0f84d5
  # to copy result to clipboard (on a Mac), use:
  # uicolorgenerate 0f84d5 | pbcopy

def main(color_string)
  case color_string
  when "fff", "ffffff"
    return "[UIColor whiteColor]"
  when "f00", "ff0000"
    return "[UIColor redColor]"
  when "0f0", "00ff00"
    return "[UIColor greenColor]"
  when "00f", "0000ff"
    return "[UIColor blueColor]"
  else
    red = color_string[0,2].hex
    green = color_string[2,2].hex
    blue = color_string[4,2].hex
        
    red_percent = red.to_f / 255
    green_percent = green.to_f / 255
    blue_percent = blue.to_f / 255
    
    return "[UIColor colorWithRed:#{red_percent} green:#{green_percent} blue:#{blue_percent} alpha:1.0]"
  end
end

puts main(ARGV[0])