Illinois does not have a state color. Not all states have state colors. California has state colors of blue and gold.
In the link below you will find a list of US states. Along with additional information is their state flags which contain what could be known as their state colors.
Not all states have blue and gold as their state colours.
Michigan states colors are Green and White
New Hampshire does not have any official state colors, similar to most states. However, their state flag is a field of blue with the state crest upon it.
The colors on the flag of the United State's are, "Red, White, and Blue" You are welcome. ;-D
You can color ANY map on a flat surface, or on a sphere, using only four colors. With the large number of states which the United States has (48 in continental United States), I strongly suspect that you can't do it with less than that.
The state colors of California are blue and gold.
States don't have colors, if you are asking whether poltically it is a Red or Blue State, Louisiana, like much of the South is conservative and tends to vote Republican.
The state bird for Virginia is the Cardinal. This type of bird's main color is red. I do not know any other states bird.
It does not have any official state color or colors.
The colors of the State of Washington are green and yellow.