The color(s) green, yellow, orange, blue, black (multiple shades) is/are claimed as a feature of the mark.
The mark consists of From left to right: A green leaf wrapped around a yellow globe with an orange perimeter all surounded by a blue disk, then a white space before the words HYDRO LIGHT stacked vertically in all caps. The word HYDRO is light green on top with a yellow stripe through the middle and the bottom is darker green. The word LIGHT is in all caps, and the top is grayish black and the bottom is dark black.