The color(s) gray and blue is/are claimed as a feature of the mark.
The mark consists of the word "CastCloud", with the "cast" in gray and the "cloud" in light blue. Underneath, in thinner, gray, all caps the words "Background." and "Simplified.". To the left of the literal element, a design of two interlocking circles each of which is 3/4 complete, the larger a blue circle to the right of a small gray circle, and three slightly slanted blue lines in the middle of the gray circle. The color white represents background and transparent areas and is not a feature of the mark.
CAST CLOUD BACKGROUND. SIMPLIFIED.