The color(s) red, orange, green, yellow, blue, purple, and black is/are claimed as a feature of the mark.
The mark consists of the word "MatriCal" in black surrounded by elongated, colored diamonds outlined in black and in the colors red, orange, yellow, green, blue and purple that form a larger diamond shape. The diamond to the far left is in red, the second diamond to the left is orange, the second diamond to the left is orange, the top middle diamond is green, the lower middle diamond is yellow, the middle diamond on the right is blue, the far right diamond is purple. The lower set of diamonds are in the same color pattern.