What is color of usa?

As an AI language model, I'm not sure what you mean by "color of USA". However, here are some interpretations:

• Flag: The flag of the United States of America is commonly known as the "Stars and Stripes" and features red, white, and blue as its primary colors. The red symbolizes valor and bravery, the blue represents vigilance, perseverance, and justice, and the white represents purity and innocence.
• Demographics: The population of the United States is diverse in terms of race and ethnicity. According to the U.S. Census Bureau, as of 2020, the largest racial/ethnic groups are White alone (60.1%), Hispanic or Latino (18.5%), Black or African American alone (12.4%), and Asian alone (5.9%). Other racial/ethnic groups include American Indian and Alaska Native alone, Native Hawaiian and Other Pacific Islander alone, and Two or More Races.
• Geography: The United States is a large and diverse country with a variety of landscapes and natural features. Some notable examples include the rocky mountains in the west, the Great Plains in the central region, the Appalachian Mountains in the east, the Great Lakes in the north, and the Gulf of Mexico in the south. These regions are often associated with different dialects, cultures, and lifestyles.
• Politics: The color scheme of the two major political parties in the United States is often used to refer to their respective ideologies. The Republican Party is associated with the color red, which is often interpreted as symbolizing conservatism, while the Democratic Party is associated with the color blue, which is often interpreted as symbolizing progressivism. However, these associations are not set in stone and can vary depending on the context.