States that have a history of flipping red or blue depending on an election are considered battleground or swing states.

The color purple has long been a symbol ... When your eyes detect both red and blue light at once your brain tries to make sense of it. Since there’s no direct wavelength connection — blue ...

Purple is a combination of wavelengths from opposite extremes of the spectrum, which technically deosn’t make any sense ... “see” a combination of blue and red wavelengths, the brain ...

Yellow and red make orange! Pup: What will happen if we mix blue and red? Blue and red make purple! Kit: So, if you mix paint, you can make lots of different colours.