The color(s) black, white, and varying shades of blue is/are claimed as a feature of the mark.
The mark consists of black background for upper 1/3 of the label with "Clear Blue" in bold blue font centered at the top of the label with "DEF" in bold white font outlined in black beneath it. Blue background for lower 2/3 of the label. "Diesel Exhaust Fluid" in white font in the center of the label. "Meets EPA Clean Air Act of 2010 Requirements" in white font in the center right of the label. Splashing wave or stream of water centered in the lower 1/3 of the label surrounded by a white fading to blue background. API Certified label in lower left corner of label. "2.5 US Gallons (9.463L) in black font in lower center of label.