"RGB" most commonly refers to Ruth Bader Ginsburg, an influential American lawyer and jurist who served as an associate justice of the U.S. Supreme Court from 1993 until her death in 2020. She was known for her strong advocacy for gender equality and women's rights, earning her the popular nickname "the Notorious R.B.G." She was the second woman and the first Jewish woman to serve on the Supreme Court. Throughout her career, she fought against gender discrimination, co-founded the Women’s Rights Project at the ACLU, and played a key role in landmark decisions on equal pay, pregnancy discrimination, and same-sex marriage

. Alternatively, "RGB" can also refer to the RGB color model, which is an additive color model using the primary colors red, green, and blue to create a broad spectrum of colors. It is widely used in electronic displays such as televisions, computer monitors, and digital cameras

. In summary, "RGB" most often denotes Ruth Bader Ginsburg, the Supreme Court justice and women's rights advocate, but it can also refer to the color model used in electronic imaging.