The color(s) black, blue and yellow is/are claimed as a feature of the mark.
The mark consists of the letters "Pro" in black, followed by the letters "Link" in blue with the letter "i" in "Link" italicized, and with the "dot" of the letter "i" being represented by a globe with circular while lines crisscrossing it, and with four yellow concentric rings looping around the globe with the outermost ring bisecting the letter "L".