The color(s) black and green is/are claimed as a feature of the mark.
"REALTY"
The mark consists of the word "Plugin", stylized, with a green dot over the letter "I". The word "Realty", stylized, in the color green. A sketch of buildings in black, over the word "Realty". The words, "Connecting Real Estate with Real People" are in quotations and in the color black.
PLUG IN REALTY "CONNECTING REAL ESTATE WITH REAL PEOPLE"