The color(s) green, orange, black, yellow and blue is/are claimed as a feature of the mark.
"GROUP"
The mark consists of the words "Sereno" and "Group" which are green, the roof of the house is orange, the side of the house, the trim of the house and the windows are black, the front of the house is yellow, and the shadow of the house is blue.
The foreign wording in the mark translates into English as serene.