Guild Announcement Colors

Many people dont know this, but you can actually make a guild announcement colorful :3 here are the possible colors:

WHITE
BLACK
LTGRAY
GRAY
DKGRAY
LTRED
RED
DKRED
LTGREEN
GREEN
DKGREEN
LTBLUE
BLUE
DKBLUE
LTYELLOW
YELLOW
DKYELLOW
LTCYAN
CYAN
DKCYAN
BTPURPLE
PURPLE
CTPURPLE
DKPURPLE
GOLDYELLOW
LTBROWN
BROWN
DKBROWN
BTBLUE
CTBLUE
LTORANGE
ORANGE
LTPINK
PINK
REDBROWN

How to use them, simply use:
<b><c:COLORNAME>TEXT

Example:
<b><c:GREEN>Hei!!!

Output:
Hei!!!


You can also use the font size command which is (Use with caution): 
<b><s:x>

Example:
<b><s:40>Hei!!!

Output:
Hei!!!