RBG is an abbreviation for red–blue–green.
“The name came out of a fascination by letters and aesthetics disrupting the famous RGB color spectrum in a non-linear way not following rules. When your TV connection drops a mix of impatient B&W dots cover your screen, and our logo is based on that mixture of light and chaos created by these three primary colors looking for signal in order to communicate, this time on the World Wide Web."