There appears to be no answer, at least not an official one. Indiana law (Indiana Code, Title 1, Article 2) says simply that "The field of the flag shall be blue with nineteen (19) stars and a flaming torch in gold or buff." No description of any symbolism for the colors is given; in fact, no description of the colors is given (i.e., which shade of blue).
Yellow and blue is the state color of the US sate Indiana.
The Indiana state flag has a blue background with yellow symbols.
there is no answer at least not officialy.
Green
Indiana does not have official state colors. However, the Indiana state flag has a blue background with yellow symbols.
Indiana's flag colors are blue and yellow.
IN is the abbreviation for the state of Indiana.
Indiana Tech's School Colors Are Orange, Black, And White.
The peony is the official state flower of Indiana.
the summary when Indiana became a state the summary when Indiana became a state
The state in the US with the abbreviation IN is Indiana.
Indiana is a State.
Indiana University Bloomington was created in 1820.
Indiana is the "Hoosier State" in the US.
The state region of Indiana is the Northwest
Indiana is known as the Hoosier State"