convertColors

Converts color references to the shortest equivalent.

Colors can be represented in various notations, the following table showcases some equivalent colors:

Name	rgb()	#rrggbb	#rgb
red	rgb(255, 0, 0)	#ff0000	#f00
orange	rgb(255, 165, 0)	#ffa500
yellow	rgb(255, 255, 0)	#ffff00	#ff0
green	rgb(0, 128, 0)	#008000
blue	rgb(0, 0, 255)	#0000FF	#00f
purple	rgb(128, 0, 128)	#800080

It makes no difference which format is received by a client, and each one has wide support across browsers and image viewing software.