As of yesterday/early today; COLORED SIGNS ARE NOW AVAILABLE!! 
Yes, this means you can now write in colors on your signs, in and out of market! 
Hooray!
With this update, I’ve gotten asked multiple times on how to color certain signs, or how to bold certain character and all, so here it is!
[size=18pt]&0 BLACK
&1 DARK BLUE
&2 DARK GREEN
&3 DARK AQUA
&4 DARK RED
&5 DARK PURPLE
&6 GOLD
&7 GRAY
&8 DARK GRAY
&9 INDIGO
&A GREEN
&B AQUA
&C RED
&D PINK
&E YELLOW
&F [glow=black,2,300]WHITE[/glow]
&M STRIKE THROUGH
&N UNDERLINED
&L BOLD
&O ITALIC
&R RESET
Hope this will help some of you.