The color(s) red, black, gray, white, is/are claimed as a feature of the mark.
The mark consists of The word Testolyn in gray/white, the R in red with the lower right side of letter swooping to the the lower right. The x is integrated into the Capital "R "in grey with the lower right part of x also swooping parallel to the lower right of the R. Lower right of "x" is in red and appears to be part of the lower part of the R.